Blood type is a type of gene where both alleles can be expressed. which statement best explains a person with ab blood type.?
a)there is a dominant relationship between alleles.
b)there is a codominant relationship between alleles.
c)there is an incomplete dominance between alleles.
d)the trait is polygenetic in nature.

B~ there is a co dominant relationship

Explanation:

Co dominance occurs when the phenotype of both parents are simultaneously expressed in the same offspring organism.

the correct answer is:

a population changes in response to a change in the environment.

the cladogram shown here shows similarities and differences among several classes of vertebrates. anatomically, the four have limb structure as their common ancestor. we might separate the mammals from the other three classes because they a) divergent; do not lay eggs b) identical; are warm-blooded c) varied; a four chambered heart d) homologous; have mammary glands