In horses, black hair color is dominant to chestnut hair color. if the black horse is homozygous, what is its genotype?

If the black horse is homozygous, what is its genotype?
BB

If the black horse is heterozygous, what is its genotype?
Bb

Hope this helps!

-Payshence xoxo

Eukaryotic cells are theorized to have evolved from prokaryotes called the endosymbiotic theory. this explains that the most primitive eukaryotic cell engulfed a prokaryotic cell (by the process of phagocytosis) that is capable of cellular respiration and another prokaryotic cell that is capable of photosynthesis. these prokaryotic cells eventually became organelles and these organelles are the mitochondria and the chloroplast