Choose the term that makes the sentence true. If a key on a desktop keyboard isn't working, one thing you can try is to .

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 a cordon and where is it found

In some plants, pointed leaves (p) are dominant over rounded leaves (p). a plant with a genotype of pp