Explain the stages of embryo development from fertilization to implantation.
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Answer:
the zygote on reaching the isthmus starts undergoing mitotic division which is also called as cleavage
Explanation:
the zygote starts dividing and forms 2 to 16 daughter cells called balstomere. the embryo with 8 to 16 blastomere is called morulla and the morula divides to form blastocyst. in blastocyst blastomeres are arranged into outer layer trophoblast and inner group of cells called inner cell mass and trophobladt develops into placental villi and inner mass cell into embryo
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