Answers: 3
Biology, 21.06.2019 18:30, narutoxptheninja
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, 22.06.2019 09:00, crazteeyn8290
What happens when waterโs salinity increases? mass decreases. freezing point decreases. buoyancy of objects decreases. the amount of dissolved minerals decreases.
Answers: 2
A major geological fault in California formed by a sliding transform boundary...
Biology, 08.06.2020 01:01
Mathematics, 08.06.2020 01:01
Mathematics, 08.06.2020 01:01
Mathematics, 08.06.2020 01:01
Social Studies, 08.06.2020 01:01
Mathematics, 08.06.2020 01:01
Chemistry, 08.06.2020 01:01