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Biology, 15.10.2019 08:10 calhountoiyonou0gjb
Astudent makes the analogy that the cardiovascular system is like a highway. why is this a good analogy?
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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.
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Biology, 22.06.2019 00:20
If two parents who's blood types are both b produce a child that has blood type o, what can you say about the parent's genotybes? oa) one is ii ob) one is ibi oc) both are bi od) nothing, this is impossible
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Astudent makes the analogy that the cardiovascular system is like a highway. why is this a good anal...
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