People with one copy of the allele that causes sickle cell anemia are called , while people with two copies of the allele have the disease.

Aperson with age is more likely to catch diseases that healthy people usually don’t catch.what are these infections called?

Freckles are a dominant trait in humans. both of the girls have the genotype ff for freckles. if either one marries a man with no freckles, what are the chances that their children will have freckles?

This group of organisms perform the process of ammonifcation. a. herbivores b. decomposers c. carnivores c. plants