definitions Flashcards
1
Q
the placenta
A
-a speaclised organ that is formed during early pregnancy, functions by 14 week.
-procedure hormones maintains the pregnancy and stops ovulation
2
Q
fertilisation
A
Fertilisation occurs when the genes from both mother and father fuse together
As both parents only have 23 pairs of chromosomes themselves, each sperm can have genetic similarities to other sperm and this is also the case for the mother’s eggs, so many siblings share similar features.
3
Q
cell differentiation
A
cells take on specialised roles and / or forms.
