CSS :: Human Genetics and Eugenics

@ : Home > Zoology > Human Genetics and Eugenics

Identical twins are born when:

[A].	Egg cell fails to divide	[B].	Two egg cells are fertilized
[C].	Fertilized egg after 1st cleavage divides into two separate blastomeres	[D].	Egg cell undergoes incomplete division

Answer: Option C