The continued presence of vestigial structures suggests that these structures do not have a great impact on fitness, like in the whale, because even with these structures, the whale has been able to survive and reproduce.
Chromatin is a simpler for of a chromosome. For example, in mitosis (somatic cells dividing) chromatin is in the nucleus, however when it condenses, it forms chromosomes.
Answer:
AB+
Explanation:
If they display A, B and Rh antigens, they are type AB+ blood.
