Embryo development in mammals Flashcards
1
Q
What is totipotent
A
a fertlised egg cell or zygote
2
Q
What is cleavage
A
cells divide repeatedly without the normal interphase for growth between the divsions
3
Q
Where does cleavage occur
A
When the embryo travels down the oviduct
4
Q
What is the result of cleavage
A
a mass of small identical and undifferentiated` cells forming a hollow sphere called a blastocyst
5
Q
What is a blastocyst
A
hollow ball of cells formed around 5 days after fertilsation