The alleles that control which blood group antigens appear on the surfaces of red blood cells are:

The term equestrian relates to which animal? bulls cows horses pigs

What advantages does a pedigree have over a written passage?

Which of these statements is true about autotrophs, but not heterotrophs? a. they use sugar and oxygen to make carbon dioxide and water.b. they use chlorophyll and oxygen to make carbon dioxide and water.c. they use sunlight, water, and carbon dioxide to make sugars.d. they use sunlight, water, and oxygen to make chlorophyll.