What could a human living now and a horse living thousands of years ago have i'm common

Why do mutations in genes affect traits? o a. genes determine what type of mutagens an organism has. o b. genes produce proteins that cause traits. o c. genes affect how many chromosomes an organism has o d. genes code for carbohydrates that influence traits.

Which type of organism is missing from the food web seen in the illustration? primary consumers decomposers primary producers secondary consumers

Anita thinks that she has heterozygous alleles for red hair.if she is correct, which of these diagrams best illustrates anitas alleles pf red hair