Hybrids sentence example
Having obtained a first hybrid generation, he allowed the hybrids to self-fertilize, and recorded the result in a large number of instances (a thousand or more) as to the number of individuals in the first, second, third and fourth generations in which the character selected for experiment made its appearance.
Numerous hybrids have been raised, varying in colour from creamy white to salmon, pink, yellow, red and orange.
Road bikes are pure delight on a decent road surface, much faster than either hybrids or mountain bikes.
There are about twenty species, but the number cannot be very accurately defined - several, usually regarded as distinct, being probably merely variable forms of the same type, and the ease with which the trees intercross has led to the appearance of many hybrids.
Of late years some remarkably fine hybrids have been raised between the various distinct groups of narcissi, and the prices asked for the bulbs in many cases are exceedingly high.Advertisement
Dr Buchanan White, who made a special study of the British willows, grouped them under 17 species with numerous varieties and hybrids.
Hybrids are also common, the canary breeding freely with the siskin, goldfinch, citril, greenfinch and linnet.
The occurrence of hybrids in nature explains the difficulty experienced by botanists in deciding on what is a species, and the widely different limitations of the term adopted by different observers in the case of willows, roses, brambles, &c. The artificial process is practically the same in hybridization as in cross-fertilization, but usually requires more care.
Hybrids are sometimes less fertile than pure-bred species, and are occasionally quite sterile.
So markedly is this the case with hybrids that in a few generations all traces of a hybrid origin may disappear.Advertisement
The researches of Gregor Johann Mendel (1822-1884), abbot of the Augustinian monastery at Briinn, in connexion with peas and other plants, apparently indicate that there is a definite natural law at work in the production of hybrids.
Of late years not only have many fine hybrids been raised artificially between various species, but some remarkable bigeneric hybrids (between what are considered two distinct genera) have also been produced (indicated in the list below by *).
From the variety Bohea, or from hybrids of descent from it, came the China teas of former days and the earlier plantings in India grown from imported China stock.
Whatever be the origin of the Polynesians, they are not Malays, though, themselves of mixed blood, they have probably certain racial elements in common with the latter, who are undoubtedly hybrids.
Its naturalization in western Europe is very ancient, but the race supposed to have been introduced by the Romans (Phasianus colchicus) has been much modified within the last century or two by the introduction of the ring-necked Chinese form (P. torquatus), which produces fertile hybrids with the old breed.Advertisement
They have been ousted by the more gorgeous looking hybrids, which have been evolved during the past Too years.
Since the cultivation of cinchona trees was commenced in Java, India, Ceylon and Jamaica, several other species, as well as varieties and hybrids cultivated in those countries, have been used.'
Moreover, while the faint markings on the foals born after hybrids completely disappeared with the foals' coat, the stripes on the three pure-bred colts persisted.
Some British authors have referred to the latter of these well-marked species certain Ducks that from time to time occur, but they are doubtless hybrids, though the secret of their parentage may be unknown; and in this way a so-called Bimaculated Duck, Anas bimaculata, was for many years erroneously admitted as a good species to the British list, but of late this has been properly discarded.
In the progeny of these crossed wheats, especially in the second generation, much variation and difference of character is observable - a phenomenon commonly noticed in the descendants from crosses and hybrids, and styled by Naudin "irregular variation."Advertisement
The failure to obtain hybrids between certain species of Rana has been attributed principally to these differences.
Spanish bluebells are much more erect than the native plant; hybrids are intermediate.
Evidence for GM oilseed rape suggests that gene flow to wild relatives is very rare and that hybrids do not establish in the wild.
Having not any had experience of producing such hamster hybrids I am reluctant to come down hard on either side of the argument.
Enjoy creating hybrids of the ones detailed below, or have fun creating your own!Advertisement
Among the crops were GM oilseed rape varieties used to produce F1 hybrids belonging to AgrEvo UK (now Aventis ).
There would be a ban on commercial surrogacy, putting human embryos in animals and vise versa, and the creation of human-animal hybrids.
In the past it has been assumed that because the two species produce sterile hybrids, the wild species is not threatened.
There were posters promoting Bt hybrids displayed on the walls of all villages I visited.
However, the environmental benefits of plug-in hybrids depend somewhat on the source of the electrical power.
The toxin is released in root exudates from a number of maize hybrids expressing three different transformation events  .
Product Stewardship for Roundup Ready corn Roundup Ready corn hybrids are marketed as part of the Market Choices program.
Formed from cut and paste, Mutu's creations are hybrids of multiple sources referencing the scars of cultural imposition.
Unfortunately the two species also interbreed to give hybrids, which makes it extremely difficult to define the genetic purity of a wildcat.
Hybrids have been raised in various colors, including the muted shades of ' Angel 's Choir ' shown in the photograph.
These early hybrids were vigorous with large flowers, but they were also scentless and had limited fertility.
However, many compact SUVs get better gas mileage, and SUV hybrids are gaining popularity as a more eco-friendly choice of wheels for driving.
Hybrids typically are on the higher end of the price scale.
You may expect to see hybrids listed with numbers in front of the name, such as "3 hybrids."
Of course, some Maine Coon hybrids, or mixed breed cats, may look like pure-bred Maine Coons.
While the Prius is one great example of hybrid automotive technology, there are actually a variety of different types of hybrids.
Gas-electric hybrids use a battery pack and traditional gasoline to make every gallon of fuel stretch a little farther.
Plug-in hybrids use gasoline and electricity to get from one place to another.
E-85 vehicles are not hybrids in the classic sense, but they do allow for multiple fuel options.
Additionally, concerns about the environmental impact of fossil fuels have caused many car buyers to switch to hybrids.
According to NADA Guides, the following models are among the most popular hybrids on the market.
Although they aren't hybrids in the classic sense, electric cars are becoming very popular with consumers as well.
Seven out of ten cars sold in Brazil are flex fuel hybrids.
Most hybrid cars on the road right now are gasoline-electric hybrids.
Since it is the gas engine that charges the batteries, hybrids do not need to be plugged in.
Utilizing new materials and cutting edge design these hybrids are very efficient, using less fuel while maintaining the higher speeds and power that drivers want.
Hybrids are usually priced higher than standard vehicles.
Hybrids may be good for protecting the environment, but do they protect a consumer's wallet too?
Sure, hybrids get better mileage than other vehicles, but they usually cost more upfront.
The other way hybrids help save money is through tax incentives.
Also, federal rebates are only available until an auto manufacture has manufactured 60,000 hybrids.
Hybrids have similar maintenance and repair costs to traditional cars in the first five years of ownership.
Plus hybrids are popular right now so they have a decent resale value.
The Toyota Prius is one of the hottest hybrids on the market today.
Here is a comparison on two compact hybrids, the Honda Insight and the Toyota Prius.
For mid-size hybrids we compared the Ford Fusion and the Nissan Altima.
The Lexus RX and the Toyota Highlander are compared here for the mid-size SUV hybrids.
Both federal and state governments offer hybrid tax credits on hybrids purchased after 2006, according to Edmunds.
Comparisons of hybrid automobiles and reviews are abundant on the Internet, so read some reviews, compare some hybrids, and make a conscious decision to be greener and buy a hybrid.
One may think that 1.25 million hybrids on US highways is a good thing, but that 1.25 million only represents at 2.3 percent of the total vehicles on our roads.
By December of 2008, and at the height of the recession, hybrids only represented 1.84 percent of vehicles on the roads.
The larger size hybrids such as the Ford Escape, the Dodge Durango, and the Cadillac Escalade did not fare so well in early 2009 due to hefty price tags being purchased by households with higher incomes.
Hybrid car sales statistics show that consumers are more interested in foreign hybrids.
Car resource websites like Edmunds complain that many of the hybrids, both foreign and domestic will take years to own before the consumer breaks even.
Notably, however, Edmunds only compared high-priced hybrids like the Cadillac Escalade and the Chrysler Aspen; both with price tags over $50,000.
These large sites let you have some pretty exotic fake animal species like dragon hybrids.
Most shelters automatically kill dogs of certain breeds, such as Chows, Pit Bulls, and Wolf Hybrids, even in places where they are legal to own.
However; this should be remedied soon because this is one of the fastest growing hybrids in the United States.
Its influence as a parent is already seen in a race of early-flowering hybrids.
It is one of the parents of the many beautiful hybrids.
D. var. sulphureus are said to be garden hybrids between H. argophyllus and H. annuus.
These hybrids sometimes arise from grafting.
We have so many beautiful and noble hardy trees that we can well dispense with grafted hybrids.
Another interesting race of hybrids has lately been obtained between G. gandavensis and G. purpureo-auratus, a Cape species, with yellow and purple flowers.
These hybrids have large flowers of a creamy-white and a deep purplish-crimson.
G. Princeps is the latest gain amongst the hybrids of garden value.
A few of the wild species almost equal the hybrids in beauty.
The modern, late-flowering hybrids are not averse to thin partial shade, and in such last well, while the earliest sorts are capable of fine effect amid their plantings of Rhododendrons or other shrubs.
Tazetta. The type hybrids are N. incomparabilis, Bernardi (both found wild), Nelsoni, Barrii, Burbidgei, Humei, Leedsii, Milneri, tridymus, and odorus.
The Burbidge hybrids are like the Barrii forms, but have small crowns.
Hume's hybrids are deformed Daffodils, the best being Giant and concolor.
More starry, but with smaller cups, are Nelson's hybrids; tall, free, and distinct habit; the best, Nelsoni major, minor, pulchellus (perfect shape), Mrs C.J.
Named Hybrids Arenarium - A showy annual from the Caucasus, bearing purple flowers with dark spots.
Named Hybrids Pilosum - A perennial Poppy from the mountains of Greece, with tall much-branched stems and hoary leaves.
Named Hybrids Rupifragum - Little hairy plants like a perennial Shirley Poppy, of delicate appearance, 1 to 2 feet high, with a neat habit, and useful for cutting.
There are also many beautiful hybrids, Cantab being one of the most charming.
Though there are several species in collections, the most important are the hybrids obtained by inter-crossing.
G. gandavensis and brench-leyensis are the principal kinds from which these hybrids come, and are by far the most important class.
Jamesoni beautiful hybrids have been raised in which the flowers vary in color from nearly white to salmon-pink, coral-red, orange, and yellow.
Sieboldi, of Japan; besides several hybrids between the common Walnut and other species.
Nymphaea Alba Seignoureti - One of the older hybrids, its color being indistinct.
Some hybrids will not "come true" from seed, but species annuals and biennials will.
Burpee also spent time experimenting with different varieties of vegetables and plants to create hybrids with the best qualities.
Even today the Burpee seed catalog is highly anticipated each January as gardeners can't wait to see what new hybrids or old heirloom seeds the company will offer.
Because the plants are open-pollinated and not hybrids, you can collect and save the seeds from your plants and successfully grow plants from those seeds the next year.
Many people think that food produced from organic seed tastes better than produce that comes from hybrids.
The scientific agricultural community believes that modifying seeds, controlling pollination, and creating hybrids produces a more durable food supply and provides higher yields.
As more farmers switched from the old fashioned varieties of plants to the new hybrids, heirloom plants became dangerously close to being extinct.
Unlike the hybrids that are so popular today, heirloom plants are open pollinated and recreate themselves by seed.
They have unique characteristics, are hardier, and often taste much better than the hybrids.
This means that they are not hybrids, but are from old fruit tree varieties.
These are not true family heirloom tomatoes, as they are all comparatively recent additions, but they are not deliberate hybrids, either.
Many conventional seed companies restrict their offerings to a few hybrids, but organic and heirloom seeds usually have a multitude of choices that include both old favorites and unique varieties.
Recently, the most common are the series and parallel hybrids.
These types of hybrids use a smaller-sized battery pack.
Current hybrids of this type are the Toyota Prius and Ford Escape hybrid.
There are hybrids for all types of vision concerns.
My favorites are the hip-hop/dance hybrids that make you bump along and hook you into the music with funky basslines and unique beats.
Some of the articles will discuss the latest hybrids in the auto industry, others will talk about new flash drives and digital cameras, but there are several valuable cell phone reviews as well.
If only such well thought out hybrids existed in all categories of life.
There are hybrids that offer combinations of all of these.
While many of the tax credits for hybrid cars have expired, you can still claim valuable credits for electric vehicles and plug-in hybrids.
In recent years, the market has seen increased sales of fuel-efficient vehicles like hybrids and compact cars.
Hybrids of battery and solar powered cars were invented, bought, and tossed for more affordable ideas in alternative energy cars.
The challenge, however, will be cars that are not only hybrids, but also affordable hybrids.
Despite the reputation of hybrids for sacrificing towing power for fuel efficiency, the Tahoe Hybrid boasts a respectable 6,200 pound towing capacity.
Some years ago these rabbits were sold as "leporides" or hybrids, produced by the union of the hare and the rabbit; but the most careful experimenters have failed to obtain any such hybrid, and the naked immature condition in which young rabbits are born as compared with the clothed and highly developed young hare renders it unlikely that hybrids could be produced.
The natives, who are Micronesian hybrids of finer physique than their kinsmen of the Pelew Islands, have a comparatively high mental standard, being careful agriculturists, and peculiarly clever boatbuilders and navigators.
In subsequent generations produced by self-fertilization of the hybrids it was found that the positive character was not present in all the individuals, but that a result was obtained showing that in the formation of the reproductive cells (ova and sperms) of the hybrid, half were endowed with the positive character and half with the negative.
Whatever value is to be attached to Mendel's observation of the breaking up of self-fertilized hybrids of cultivated varieties into the two original parent forms according to the formula " 'PP, 2PN, INN," it cannot be considered as more than a contribution to the extensive investigation of heredity which still remains to be carried out.
The hybrids thus produced are almost invariably sterile.
With respect to the production of hybrids, the genus is remarkable for its power of resisting the influence of foreign pollen, for the seedlings of any species, when crossed, generally resemble that which bears them.
Some hybrids, however, are as fertile as pure-bred plants.
Thirty mares put to a Burchell zebra produced seventeen hybrids, and subsequently twenty pure-bred foals.
Unlike Lord Morton's quagga hybrids, all the zebra hybrids were richly, and sometimes very distinctly, striped, some of them having far more stripes than their zebra parent.
But as equally distinct markings occurred on two pure-bred Highland foals out of mares which had never seen a zebra, it was impossible to ascribe the stripes on the foals born after zebra hybrids to infection of their respective dams. Further, the subsequent foals afforded no evidence of infection, either in the mane, tail, hoofs or disposition.
The two species which are farthest removed in structure, the horse and the ass, produce, as is well known, hybrids or mules, which in certain qualities useful to man excel both their progenitors, and in some countries and for certain kinds of work are in greater requisition than either.
The two species hybridize and hybrids are fertile, causing genetic introgression of Ruddy Duck genes in the wild population of White-headed Ducks.
The company also claimed a yield of 22 quintals per acre against an average yield of six quintals per acre against an average yield of six quintals per acre for home grown hybrids.
Hybrids have been raised in various colors, including the muted shades of ' Angel's Choir ' shown in the photograph.
The original hybrids, including skunk itself, are believed to have originated in the USA.
The wild Bt sunflowers had 50 percent more seeds than control hybrids without the gene.
Finally, corn hybrids incorporating this type of Bt trait are not widely planted.
Many beautiful Nymphaea hybrids have been raised between the tender and hardy varieties of different colours, and there are now in commerce lovely forms having not only white, but also yellow, rose, pink and carmine flowers.
In the first place, the so-called internal causes of disease is probably a mere phrase covering our ignorance of the factors at work, and although a certain convenience attaches to the distinction between those cases where tender breeds of plants apparently exhibit internal predisposition to suffer more readily than others from parasites, low temperatures, excessive growth, &c.as is the case with some grafted plants, cultivated hybrids, &c.the mystery involved in the phrase internal causes only exists until we find what action of the living or nonliving environment of the essential mechanism of the plant has upset its equilibrium.
Further, it is only in the nucleus and in its chromosomes that we have any visible evidence to account for the Mendelian .segregation of characters in hybrids which are known to occur.
Egtfally great gaps, however, may exist between males and females, between climatic phases or summer and winter forms. The attempt to find a physiological criterion has similarly failed; many forms that have been universally accepted as true species produce fertile hybrids (see Hybridism).
In the first ten years of attempting to make better hybrids, Borlaug's group made more than six thousand crossings of wheat.
The company also claimed a yield of 22 quintals per acre against an average yield of six quintals per acre for home grown hybrids.
I sympathize with the plight of farmers today, who see their livelihoods threatened by consumers refusing to buy such hybrids.
A large number of hybrids exist in cultivation.
The species and the numerous hybrids which have been obtained artificially, show a great variety in size and colour of the flower, including the richest deep crimson and blood-red, white, or with striped, mottled or blended colours.