It has been hypothesized that people who are heterozygous for the allele that causes the deadly genetic condition cystic fibrosis (which, among other symptoms, reduces fertility) are more resistant to the deadly disease tuberculosis. if the cystic fibrosis allele protects against tuberculosis the same way the sickle-cell allele protects against malaria, then which of the following should be true of a comparison between regions with and without tuberculosis? a)cystic fibrosis deaths should be more common in regions with tuberculosis. b) cystic fibrosis deaths should be less common in regions with tuberculosis. c) cystic fibrosis deaths should be equally common in both types of regions. d) regional differences in the cystic fibrosis death rate should be purely random and unpredictable.
Answers: 3
Biology, 22.06.2019 07:20, Maria3737
What are the two causes of density in deep current waters? a. salinity (how much salt) of the water and high temperaturesb. salinity (how much salt) of the water and low temperatures c. oxygen content of the water and high temperatures. d. oxygen content of the water and low temperatures
Answers: 2
Biology, 22.06.2019 14:30, joejoefofana
Which of the following shows the results that you would get if you tested beef using the four tests in the gizmo
Answers: 1
It has been hypothesized that people who are heterozygous for the allele that causes the deadly gene...
Mathematics, 06.04.2021 16:50
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