Situations in which one allele for a gene is not completely dominant over another allele for that gene are

List 4 main components of air in their molecular form

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 correct trna sequence that would match the following mrna sequence.gcgaua