PLZZZ HELP ME 10 POINTS All the dogs shown below are part of the same species. Why do they look so different?

Question 14 options:

A. because they have a different number of genes

B. because they have a different combination of alleles

C. because they have a different number of chromosomes

D. because they have different sizes of chromosomes

Dogs began to be bred for specific purposes that relied on their appearance, agility, size, form, and more. This caused dogs to start looking very different from one another. Nowadays, we mostly refer to this process as "selective breeding".

Explanation:

because u need two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei to form isotopes.

so since they all have the same shape? i mean maybe because m& m and reeses are both chocolates

bcde is the incorrect answer it is a