animal stem cells Flashcards
1
Q
humans start when a sperm cell joins with what?
A
humans start when a sperm cell joins with an ovum ( egg cell), this is fertilisation
2
Q
when a fertilised ovum undergoes mitosis, what happens?
A
the ovum forms a ball of cells called embryo
3
Q
overtime, what do embryos form?
A
specialised cells called nerve and muscle cells
4
Q
have cells in early embryos differentiated?
A
no, any cell is capable of differentiating into any type of body cell
5
Q
unlike embryonic stem cells, what can adult stem cells only differentiate into?
A
1 type of cell
6
Q
stem cells in bone marrow can only differentiate to form what?
A
cells in our blood
7
Q
A
