When a person inherits the following combinations of alleles, which is dominant? Remember, the answer can be one of the alleles or both of the alleles.
• A and B
• A and O
. B and O

Plants consume most of their carbon from a. the soil b. the water c. the roots d. the air

Use the phylogenetic tree to the right to determine which statement below is true. organisms a and f are not related. organism e is more closely related to organism b than organism f. organisms c and d are more closely related than organisms a and b. phylogenetic trees

How did alexander fleming’s research solve a societal problem? he developed ways to treat inherited diseases. he advocated for regular hand washing to kill germs. he discovered a new type of medicine that could treat infections. he discovered the cause of mad cow disease, an emerging disease.