Answer: Homologous chromosomes are the pairs of chromosomes that having same gene sequence, equal length of arms and centromere location. Homologous chromosomes have two homolog one come from male parent and other come from female parent.
Explanation:
These chromosomes Are formed for the purpose of genetic variations. They are called homologous because when two same structured exist it form pair together
It depends on your teacher, it should be A. It could be B if that’s what your teacher wants but I would go with A.
Answer:
Gills allow for gas exchange
Explanation:
This is because of the populations.
Less water would make a large population dehydrate.
