I attached a picture please help. All I need is #3. :)

Which statements describe incomplete dominance? traits are usually dominant. traits are neither dominant nor recessive. offspring exhibit an intermediate form of alleles from the parents. both alleles, one from each parent, are expressed in offspring. incomplete dominance involves the interaction of two alleles.

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.

Name one similarity and one difference between the morphology of a brachiopod and a bivalve