subject
Biology, 08.03.2021 21:50 robert7248

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.

ansver
Answers: 1

Another question on Biology

question
Biology, 22.06.2019 01:30
Based on the law of dominance, we would expect percent of the offspring from this cross to have large teeth.
Answers: 2
question
Biology, 22.06.2019 02:30
One of the purposes of transcription is to produce a sequence of bases that
Answers: 1
question
Biology, 22.06.2019 09:30
Consider the following reaction: 2h2 + o2 —> 2h2o a) what are the reactants in this reaction? b) what are the products in this reaction? c) how many molecules of oxygen are used in this reaction?
Answers: 2
question
Biology, 22.06.2019 16:00
Anonnative species is best described as a species that a. does not normally live in an area b. has no permanent home c. is a poor predator d. increase biodiversity
Answers: 2
You know the right answer?
Julio knows that sickle cell disease is a serious genetic disorder. He learns that in the United Sta...
Questions
question
Engineering, 31.05.2021 01:00
question
Mathematics, 31.05.2021 01:00
question
Mathematics, 31.05.2021 01:00
Questions on the website: 13722366