Why do people who believe in altruism say the opposite view is cynical? it's nicer to accept gestures at face value. a person comes across as skeptical and suspicious. it appears that you are judging whether or not a person's actions are sincere. choices b and c.

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.

Depending on the organism the number of in a cell may change

Asap what occurs after cytokinesis is completed at the end of meiosis 1?