Question

What are (a) and (b)? The mitotic division starts as the zygote moves through the isthmus of the oviduct called _______________ towards the uterus and forms 2, 4, 8, 16 daughter cells called __________________ .

Answer 1

a) cleavage.

b) blastomeres.

Answer 2

(a) intramural oviduct [ where oviduct opens in uterus]
(b) embryo