Hypercholesterolemia is a genetic disorder that causes blood cholesterol levels to be elevated. The H allele is incompletely dom
inant to the h allele, with hh homozygotes having extremely high levels of blood cholesterol. A husband and wife are both heterozygous for hypercholesterolemia. What is the probability that their first child will have normal levels of blood cholesterol?
Answer: How does taxonomy help us understand relationships among organisms on Earth? Taxonomy is about classifying organisms into related groups, and drawing up trees of common descent, from the shared ancestors from which the branches separated
