Answers: 3
Biology, 21.06.2019 18:30
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.
Answers: 2
Biology, 23.06.2019 00:00
What is the difference in the cell cycle between healthy cells and cancerous cells?
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Biology, 23.06.2019 05:30
Nthe three domain system, which of the following domains includes organisms from more than one kingdom?
Answers: 1
Please help I’ll mark as brainliest!!!
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