#Question id: 3391
#Unit 11. Evolution and Behavior
Which of the following statements is an example of genetic drift?
a. Allele g for fat production increases in a small population because birds with more body fat have higher survivorship in a harsh winter.
b. Random mutation increases the frequency of allele A in one population but not in another.
c. Allele R reaches a frequency of 1.0 because individuals with genotype rr are sterile.
d. Allele m is lost when a virus kills all but a few individuals and just by chance none of the survivors possess allele m
#Question id: 31197
#Unit 4. Cell Communication and Cell Signaling
#Question id: 19873
#Unit 13. Methods in Biology
#Question id: 31404
#Unit 7. System Physiology – Animal
#Question id: 11544
#Unit 7. System Physiology – Animal
When a steroid hormone and a polypeptide hormone exert similar effects on a population of target cells, then ________.