Brainliest to first responder. 10 points regardless. Which term describes the chromosomal abnormality of having extra chromosomes? A) heterosomy

B) polysomy

C) haploidy

D) diploidy

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 function does a limb serve in each animal how are the limb bones of the four animal similar based on the similarities what can be inferred about the evolution of the poor animals

Tides that occur during the new and full moons