A woman type O has a child with a man type AB the child could have A, B, AB, or O blood type. A and B are the dominate alleles but that does not completely rule out O. Blood type is determined much like eye color.
Answer:
Scientists use cladograms to propose and ask questions about the evolutionary relationships between different species. By giving weigh to derived characters and recognizing ancestral characteristics, scientists can compare different phylogenies of the same groups of organisms.
Explanation:
Sweat, mucus, tears, and saliva all contain enzymes that kill pathogens.
