Answer:
I think it would be sickle-cell trait because sickle-cell anemia is where your red blood cells are shaped in a creasent shape instead of a round shape. So this will cause clotting. I am not so sure about this question, but I think I would go with sickle-cell trait.
Explanation:
Answer is A. Alleles
Hope this helps
Pretty sure answer is <span>ablation</span>
B I think because it would have to be 25% so then Aa would be appropriate as of it's recessive.