Answer:
A. three of them would belong to blood group B
Explanation:
In a punnet square it would result in:
B b
B BB Bb
b Bb bb
1 phenotype. That's because if they have 1 part red and 1 part purple only the purple part (allele) will be shown
Birds live virtually everywhere on Earth because they have evolved endothermy, the ability to use their metabolism to maintain a constant body temperature.
Birds belong to the class aves; they have an extremely efficient, one way breathing system with additional air sacs. Flying birds have strong, hollow bones and powerful flight muscles. Most birds can fly, they have a strong heart and an efficient way of breathing; which are necessary for birds to fly.
