Answers: 1
Biology, 21.06.2019 18:30, smelcher3900
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: 3
Biology, 21.06.2019 18:50, hannahkharel2
Which of these organisms have the greatest amount of cell specialized
Answers: 2
Biology, 22.06.2019 12:50, cindy14772
The many stone tools, fragmentary animal bones, and teeth found at gran dolina, spain, indicate that hominids there? a. processed and consumed animals and other hominids. b. did not differ appreciably from earlier asian homo erectus. c. were similar to later homo sapiens. d. none of the above
Answers: 1
Select all that apply. which of the following are photosynthesis autotrophs? - algae - plants - all...
Mathematics, 24.04.2021 05:40
Mathematics, 24.04.2021 05:40
Mathematics, 24.04.2021 05:40
Mathematics, 24.04.2021 05:40