A single-gene trait that has two alleles and that shows a simple dominant-recessive pattern will result in a. one phenotype.
b. two phenotypes.
c. four phenotypes.
d. millions of phenotypes.​

Which of the following statements best describes the relationship between the environment and human health? a. the environment is the only factor that affects human health. b. many aspects of the environment can have an impact on human health. c. human health is impacted by changes in climate. d. the environment has no impact on human health. select the best answer from the choices provided

If the rna molecule in a human has the nucleotide sequence of guu, this would the amino acid valine would be needed to make the protein. how would this cha process was occurring in a mushroom?

Qué sucede cuando una persona tiene muy poco o demasiado costeroides?