A) It divides to form a hollow ball of cells, called the blastocyst.
B) It begins to secrete the hormones.
C) It contacts the endometrial wall of the uterus and becomes buried inside it.
D) It initiates the formation of a placenta.
Correct Answer: A
Solution :
[a] The zygote divides mitotically to form 8, 16 daughter cells called blastomeres. This stage called morula which continues to divide and transforms into blastocyst.
You need to login to perform this action.
You will be redirected in
3 sec
