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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.
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Biology, 22.06.2019 02:00
Ais a group of individuals of the same that exist together in the same place at the same time
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Biology, 22.06.2019 04:20
Do you think the gene eef1 alpha1 supports cell theory? explain your response.
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Biology, 22.06.2019 23:00
*a mastectomy is the surgical removal of one or both breasts, either partially of fully. an oophorectomy is the surgical removal of an ovary or ovaries.analyze a woman’s risk of dying of cancer if she carries a mutated brc1 gene.how do heredity and inheritance relate to the data presented in these charts? what data would you need to see in order to draw conclusions about the effectiveness of preventive surgeries? what does the age at diagnosis tell you about the mutation? explain how breast-cancer genes are still present in the population, despite cancer-related surgeries and deaths.
Answers: 3
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