How to use Recessive in a sentence
It happened, however, that a recessive colour in one generation becomes the dominant in a succeeding one.
If a mother is a carrier for an X-linked recessive form of EDS, she may have affected or unaffected sons, or carrier or unaffected daughters, depending on the second sex chromosome inherited from the father.
If one parent has been diagnosed with an autosomal dominant form of VWD or both parents are carriers for an autosomal recessive form of VWD, then prenatal testing should be considered.
Then, in the scheme below, if A b and (A)N b are two brothers who both marry normal wives N, their children N(A) in the first case will be all normal in appearance but will be carrying albinism recessive; and in the second case some will be pure normal individuals N, and some will be like the children of the first brother, i.e.
It does n't follow a clear mendelian recessive or dominant pattern.Advertisement
The mother also has a 50 percent chance of passing the defective recessive gene to her daughters who will be carriers of the disorder (like their mother), but will not show symptoms of the disease.
Genetic abnormalities such as craniosynostosis are described by the type of chromosome that carries the abnormal gene and whether the gene is recessive or dominant.
A recessive condition occurs when a child receives two changed or mutated copies of the gene for a particular condition, such as PDA (one copy from each parent).
Individuals with a single changed or mutated copy of a gene for a recessive condition are known as carriers and have no health problems related to the condition.
The mutated gene that produces XLA is a recessive gene.Advertisement
The autosomal recessive forms of spinal muscular atrophy are the most common inherited cause of infant death.
Most of the syndromes are autosomal recessive, meaning that they have no predilection for either sex.
This form of spinal muscular atrophy only affects men; it is an X-linked recessive disorder, meaning that the defective gene is passed from mother to son.
Congenital nystagmus may be transmitted genetically, either as an autosomal recessive or dominant, or as an X-linked recessive trait.
Some cases of type 2 VWD and all cases of type 3 VWD are autosomal recessive, since they are caused only by changes in both vWF genes.Advertisement
A person with an autosomal recessive form of VWD has inherited both a changed gene from the mother and a changed gene from the father.
Parents who have a child with an autosomal recessive form of VWD are called carriers, since they each possess at least one changed vWF gene.
Many carriers for the autosomal recessive forms of type 2 VWD and type 3 VWD do not have any symptoms.
It results from a child inheriting defective genes from both parents (autosomal recessive pattern of inheritance).
In galactosemia, the gene mutation which occurs is inherited in what is known as an autosomal recessive pattern.Advertisement
The chance that two parents each of whom has the defective gene will produce a child with a recessive disorder is one in four or 25 percent with each pregnancy.
Recessive trait-An inherited trait or characteristic that is outwardly obvious only when two copies of the gene for that trait are present.
However, when an individual has two copies of the recessive form of the gene-one copy from the mother and one copy from the father-the gene does not determine handedness.
Achromatopsia, the complete inability to distinguish color, is an autosomal recessive disease of the retina.
Wolman's disease is caused by a genetic defect with a recessive pattern of inheritance that results in a deficiency of an enzyme that breaks down cholesterol.Advertisement
An individual displaying a recessive trait must have inherited one copy of the defective gene from each parent.
A-T is a recessive disorder, meaning that it affects children who carry two copies of a defective (mutated) A-T gene, one copy from each parent.
The A-T mode of inheritance is autosomal recessive (AR) and requires two copies of the predisposing gene-one from each parent-for the child to have the disease.
Parents do not exhibit symptoms, but they each carry a recessive gene that may cause A-T in their offspring.
Autosomal recessive inheritance means that a person with FMF has mutations in both copies of the MEFV gene.
If both parents carry the same autosomal recessive gene, there is a one in four chance with each pregnancy that the child will inherit both recessive genes and develop FMF.
A family history of FMF or its symptoms would obviously be an important clue, but the recessive nature of FMF means there usually is no family history.
In this form of SCID the lymphocyte or white blood evaluation is identical to X-linked SCID but is autosomal recessive and, therefore, occurs in girls and boys.
All MPS disorder except MPS II are inherited in an autosomal recessive manner.
An individual with an autosomal recessive disorder inherits one non-working genes from each parent.
When two people are carriers for an autosomal recessive disorder, they have a 25 percent chance with each pregnancy to have a child with the disorder.
However, these children are not at risk to develop the disorder unless the other parent is a carrier or affected with the same autosomal recessive condition.
Recessive gene-A type of gene that is not expressed as a trait unless inherited by both parents.
Because Tay-Sachs is a recessive disorder, only people who receive two defective genes (one from the mother and one from the father) will actually have the disease.
The inheritance pattern appears to be autosomal recessive.
A parent with only one gene for an autosomal recessive disorder does not display symptoms of the disease.
Neither parent may have symptoms of the disease, but each carries a recessive defective gene for it.
Most peroxisomal disorders are inherited autosomal recessive diseases.
Autosomal recessive mutation-A pattern of genetic inheritance where two abnormal genes are needed to display the trait or disease.
Mild and severe hemophilia A are inherited through a complex genetic system that passes a recessive gene on the female chromosome.
Previously, researchers had seen this recurrence as evidence of recessive inheritance of OI type II.
The less common form, autosomal recessive hyper-IgM syndrome (ARHIM), occurs in children who have inherited an abnormal gene from both parents.
Such diseases are called autosomal recessive diseases.
A severe childhood form is similar in appearance to DMD but is inherited as an autosomal recessive trait.
Autosomal recessive inheritance carries a risk of accompanying learning disabilities.
The dominant and recessive alleles may not be so in other pairings.
The pattern of inheritance (the way it is inherited) is called autosomal recessive.
One theory is that mutated alleles are usually recessive.
In heredity, complete albinism among animals is always recessive; and partial albinism (piebald) is always recessive to complete pigmentation (self-coloured).
In view of the fact that Biffen has proved that immunity from the attacks of a certain fungus in wheat is a transmissible recessive character reappearing in some of the individuals of the second generation, it would appear that there is great hope of securing an immune variety with the aid of this form.
An illustration of the three examples of recessive inheritance is shown below.
Charcoal is a recessive mutation in need of preservation !
Sons, however will have only the recessive gene from the mother.
The distinguishing look of the Siamese cat's coloring comes from a recessive pointing gene.
These colors are particularly difficult to breed for because the gene that produces them both is a recessive gene.
In order for these colors to show up, the offspring must inherit the recessive gene from both parents.
For example, if you have a recessive gene for alopecia, stress can be the aggravating factor that kicks the disease into gear.
Hector, the original German Shepherd, is the source of the recessive white gene still evident today.
This is produced by two recessive genes, meaning it is inherited.
They can also develop bloat, elbow and hip dysplasia, or autosomal recessive muscular dystrophy.
When it comes to Lab colors, black is the dominant color in the breed, and chocolate is a recessive color.
The color yellow is produced when a recessive epistatic gene blocks the appearance of the black or chocolate genes.
In autosomal recessive inheritance, the affected individual has inherited a defective gene from each parent.
As opposed to autosomal recessive inheritance, only one defective copy of a gene needs to be inherited in order for an individual to develop the disease.
Kyphoscoliosis type is inherited in an autosomal recessive manner.
Dermatosparaxis type is inherited in an autosomal recessive manner.
Inheritance patterns within this group include X-linked recessive, autosomal dominant, and autosomal recessive.
In autosomal recessive EDS, both copies of a specific gene must be changed for a person to have EDS.
As with autosomal recessive, this implies that both copies of a specific gene must be changed for a person to be affected.
However, because males only have one X-chromosome, they are affected if an X-linked recessive EDS gene is changed on their single X-chromosome.
X-linked recessive EDS is accompanied by a slightly more complicated pattern of inheritance.
If a father with an X-linked recessive form of EDS passes a copy of his X chromosome to his children, the sons will be unaffected and the daughters will be carriers.
The inherited form (autosomal recessive) is extremely rare and severe.
Recessive disorder-Disorder that requires two copies of the predisposing gene one from each parent for the child to have the disease.
Albinism is a autosomal recessive disease, which means that a person must have two copies of the defective gene to exhibit symptoms of the disease.
This condition has an X-linked, recessive pattern of inheritance, meaning that the defective gene is carried on the X chromosome.
Refsum's disease has a recessive pattern of inheritance and affects populations from Northern Europe, particularly Scandinavians.
Tay-Sachs disease has a recessive pattern of inheritance, and approximately one in every 27 people of Jewish ancestry in the United States carries the TSD gene.
Unlike the other MPS conditions, MPS II is inherited in an X-linked recessive manner, which means that the gene causing the condition is located on the X chromosome, one of the two sex chromosomes.
This is called an autosomal recessive pattern of inheritance.
The normal PAH gene is dominant to recessive PKU mutations.
A recessive genetic trait, such as PKU, is one that is expressed-or shows up-only when two copies are inherited (one from each parent).
In order for a child to inherit an autosomal recessive abnormality, both parents have to be carriers of the abnormal gene.
Let A stand for a pure albino and (A)N for a normal person, who nevertheless carries the character albinism (A) recessive.
Accordingly as the green or the yellow predominated in the progeny it was termed " dominant," while the colour that disappeared was called " recessive."
To be affected by the disease, which shows autosomal recessive inheritance, a baby must inherit a mutant allele from each parent.
Here the recessive allele produces the ordinary blue, also called English blue or American blue.
To manage autosomal recessive cerebellar ataxia (ARCA) patients in specialist clinics and collect blood samples and clinical data.
It doesn't follow a clear Mendelian recessive or dominant pattern.
If the mutation is dominant or or incompletely recessive, resistance will spread despite the refuge.
Dwarfism from impaired longitudinal growth of bones is a recessive trait that affects males more strongly than females.
A female who carries a defective recessive gene on one of her two X chromosomes will not have the disease because she also has one good X chromosome.
Gaucher disease has a recessive pattern of inheritance, meaning that a person must inherit a copy of the defective gene from both parents in order to have symptoms of the disease.
It has a recessive pattern of inheritance and is believed to occur in one out of 40,000 births in the United States.
As of 2004 the genes causing isolated PDA have not been identified, but it is known that PDA can be inherited through a family in an autosomal dominant pattern or an autosomal recessive pattern.
It is a genetically heterogeneous condition which shows both recessive and dominant modes of inheritance.
However, the inserted transposon efficiently creates mutations in genes such as recessive oncogenes associated with cancer.
The most common mode of inherited deafness is autosomal recessive, which accounts for around 75% of all cases.
Includes X-linked recessive and Autosomal recessive modes of inheritance.
The exact pattern of genetic transmission was not known as of 2004, however; autosomal dominant, autosomal recessive, and sex-linked inheritance patterns have all been studied and rejected.
Since galactosemia is a recessive genetic disease, it is usually first detected on a newborn screening test, as most people are not aware that they are carriers of a gene mutation causing the disease.
However, when two people who each carry a changed or mutated copy of the same gene for a recessive condition have children, there is a chance with each pregnancy for the child to inherit the two changed or mutated copies from each parent.