K-12 Mendel's Laws
8/10
The two versions of a gene for a characteristic are called

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.

What is the process of a new plant growing from its seed into a seedling? primary growth fertilization pollination germination

In what part of the body does the most muscle activity happen?