Apregnant client asks the nurse about the hormone that stimulates postpartum contractions. the nurse tells the client that the primary hormone that stimulates postpartum contractions is which?

The gene that causes sickle-cell disease is present in a higher percentage of residents of sub-saharan africa than among those of african descent living in the united states. even though this gene causes sickle-cell disease, it also provides some protection from malaria, a serious disease that is widespread in sub-saharan africa but absent in the united states. discuss an evolutionary process that could account for the different percentages of the sickle-cell gene among residents of the two regions.

Granite rock is light in color. which feature directly contributes to this color? the process that forms granite the amount of silica minerals in granite the shape of the grains found in granite the unique pattern formed by grains in granite

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.