Answers: 2
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, 21.06.2019 23:30
Compare and contrast region e in the illustration above with region d. describe the physical characteristics of each region.
Answers: 1
Biology, 22.06.2019 15:00
The color of the fur is the genotypephenotype.the genetic combination of alleles that determine the fur color is called the genotypephenotype.
Answers: 1
Muscular endurance is fueled by anaerobic energy.
a. true
b. false...
a. true
b. false...
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