Multiple Choice
With respect to the alleles for sickle cell anemia, which genotype(s) is (are) at a disadvantage to persons residing in tropical areas of Africa?
A) Heterozygous
B) Homozygous dominant
C) Homozygous recessive
D) Both heterozygous and homozygous dominant
E) Both homozygous dominant and homozygous recessive
Correct Answer:

Verified
Correct Answer:
Verified
Q46: What best describes all alleles for all
Q47: Table 19-1 <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8678/.jpg" alt="Table 19-1
Q48: Due to a rapid change in the
Q49: Figure 19-1<br><img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8678/.jpg" alt="Figure 19-1
Q50: Based on the data in the accompanying
Q52: Why is the Hardy-Weinberg principle useful to
Q53: When a population goes through a bottleneck,
Q54: _is the mechanism of evolution first proposed
Q55: Explain why the usefulness of a mutation
Q56: Which is the only process that can