Apair of homologous chromosomes differ from the other chromosomes in terms of

Alleles. Each cell has two sets of each chromosome. One chromosome in the pair is  from the mother and the other from the father. The mother and father chromosomes in a homologous pair have the same genes at the same places, but sometimes different alleles.

A) 4 amusingb)alpha particle is a helium nucleus. it contains 2 protons and 2 neutrons.c)alpha particle has charge of +2.

The answer would be dogs.