Twins Flashcards
1
Q
Identical twins
A
After fertilisation, fertilised egg splits and divides into two balls of cells (mitosis) have the same genetic info as develop from same ova (gender, blood group, eye colour etc)
2
Q
Fraternal twins (non identical)
A
2 egg cells released by ovaries at the same time.
Fertilised by two sperm
Non identical as fertilised by two different sperm and different ova
