Which statements correctly describe the inheritance pattern for the alleles that control blood type?
Select three options.

IA is dominant.
IB is dominant.
i is dominant.
IA is recessive.
IB is recessive.
i is recessive.

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 the theory that the sun goes around earth was replaced with the theory that earth goes around the sun this was an exaple of a

The chromosomal structure that limits the number of cell divisions of a cell is the the chromosomal structure that limits the number of cell divisions of a cell is the kinetochore telomere histones centromere