in which human beings, a zygote develops into a boy child if it is formed by the fusion of human beings, by which fusion occurs in the zygote, male offspring?
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Zygotic stage: The zygote is formed when the male gamete (sperm) and female gamete (egg) fuse. Blastocyst stage: The single-celled zygote begins to divide into a solid ball of cells. Then, it becomes a hollow ball of cells called a blastocyst, attaching to the lining of the mother's uterus.
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formation of zygote is because of fusion of male gamate (sperm) and of female's (ovum).
fertilised egg - zygote- blastula - gastula - development of limps.. - organ develop....
inter course - fertilisation - zygote formation - gestation period - child birth
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