The articles cover a wide range of topics in applied ethics, for example, ' what is the ethical status of zygotes?
Gametes Reproductive cells which unite in pairs to produce zygotes.
As the result of fertilization, the fertilized nuclei of the megaspore become surrounded by a cell-wall, and constitute zygotes, which may attach themselves either to the wall of the megaspore or to the end of a pollen-tube (fig.
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