differentiation in human cells Flashcards
1
Q
when an egg is fertilised by sperm a … is formed
A
zygote
2
Q
the zygote divides repeatedly by mitosis to form a ball of cells called an
A
embryo
3
Q
the genes in embryonic cells are
A
switched on/have the potential to switch on
4
Q
as the embryo continues to develop its unspecialised cells…and become…
A
differentiate
specialised in structure and biomedical properties
5
Q
once a cell becomes differentiated
A
it only expresses the genes that code for the proteins specific to the workings of that cell
