Answers: 1
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, 22.06.2019 02:00
Which two factors contributed to creating a global culture? the creation of the united nations improvement in telecommunications health issues such as the ebola virus increased opportunities for global travel
Answers: 3
How are novel variations added to a population?...
Chemistry, 22.09.2019 10:10
English, 22.09.2019 10:10
Mathematics, 22.09.2019 10:10
History, 22.09.2019 10:10
History, 22.09.2019 10:10
Social Studies, 22.09.2019 10:10
History, 22.09.2019 10:10
Social Studies, 22.09.2019 10:10
Mathematics, 22.09.2019 10:10