Answers: 2
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 01:00, sbailey0962
How does this experiment explain why it is often milder in areas such as coastal maryland while areas such as kansas or iowa have more extremes in temperature
Answers: 3
A student designed an experiment to determine if air temperature had an effect on the rate of photos...
Mathematics, 19.11.2019 21:31
Mathematics, 19.11.2019 21:31
Mathematics, 19.11.2019 21:31