All animal types have a different number of chromosomes not just mammal, birds, and fish.
39 pairs = 78
40
123 chromosomes
23
76 Chromosones.
64 (32 pairs)
23 chromosones
a body cell has 48 chromosomes
It varies from species to species in human there are 46 chromosomes (23 pairs)
x chromosones
They are called chromosones
Chromosones
chromosones
A molar pregnancy is an abnormally fertilized egg. Molar pregnancies occur when the fertilized egg does not have any of the mother's chromosones, or the father's chromosones duplicate.