Identify what holds DNA, the hereditary information of a cell? (Its not the nucleus)

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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.

Based on anatomical similarities, to which modern animal is dr. digger’s creature most closely related?

The cluster of developing cells from conception until birth is called an