Julio knows that sickle cell disease is a serious genetic disorder. He learns that in the United States, approximately 1 in 12 people of African ancestry carries the sickle cell allele. He asks, "Why is the sickle cell allele present in such a high frequency?" Which statement would be MOST USEFUL to include in an answer to Julio's question?
A. The sickle cell allele causes a significant change to a blood protein.
B. The sickle cell allele formed from a point mutation.
C. Two copies of the sickle cell allele are necessary to express the disorder.
D. Having one copy of the sickle cell allele provides resistance to malaria.
Answers: 3
Biology, 22.06.2019 10:30
A(n) is a molecule influences the way that a molecule reacts.
Answers: 1
Biology, 22.06.2019 10:30
Coral have a symbiotic relationship with what in order to eat?
Answers: 2
Biology, 22.06.2019 12:30
Which of the following matches the organisms described with the correct domain? a. archaea--multicellular, eukaryotic organisms that do not have cell walls b. eukarya--single-celled and multicellular organisms, with a defined nucleus and a variety of nutritional sources c. bacteria--unicellular, eukaryotic organisms with cell walls that do not contain peptidoglycan d. bacteria--unicellular, eukaryotic organisms that always lack cell walls
Answers: 3
Biology, 22.06.2019 15:30
Bio molecules are essential to all living things. which biomolecule is “d” from the table
Answers: 3
Julio knows that sickle cell disease is a serious genetic disorder. He learns that in the United Sta...
Computers and Technology, 22.04.2021 23:30
Advanced Placement (AP), 22.04.2021 23:30
Mathematics, 22.04.2021 23:30
History, 22.04.2021 23:30
Chemistry, 22.04.2021 23:30
Mathematics, 22.04.2021 23:30
Chemistry, 22.04.2021 23:30
Business, 22.04.2021 23:30
Mathematics, 22.04.2021 23:30
Mathematics, 22.04.2021 23:30
Mathematics, 22.04.2021 23:30