Evaluative effectiveness of follicular output rate, ovarian sensitivity index, and ovarian response prediction index for the ovarian reserve and response of low-prognosis patients according to the ...

Sexual reproduction involves the fusion of male and female cells, resulting in a zygote that develops into a new plant. The film also discusses the structure of flowers, the role of pollen in ...

Here's why. Identical twins (also called monozygotic or MZ twins) are conceived when a single sperm fertilizes a single egg and the resulting zygote divides in two. Because the zygote originated ...