Please answer all of the multipe choice questions. Thank you so much! 17. One of
ID: 83244 • Letter: P
Question
Please answer all of the multipe choice questions. Thank you so much!
17. One of the major sources of evidence for evolution is in the comparative anatomy of organisms. Features that look different but have similar structural origin are called:
a. homologous structures.
b. analogous structures.
c. vestigial structures.
d. equivalent structures.
29. A small, reproductively isolated religious sect called the Dunkers was established by 27 families that came to the United States from Germany 200 years ago. The frequencies for blood group alleles in this population differ significantly from those in the general U.S. population. This is an example of:
a. negative assortive mating
b. migration
c. mutation
d. founder effect
e. disruptive selection.
19. An athlete who trains at high elevation will produce additional red blood cells in response to the lower concentration of oxygen in the air. Which of the following is true?
a. Her genes for blood cell production will have mutated.
b. She will pass on this trait to her children.
c. The human species will have evolved.
d. This has no effect on the gene pool.
e. Her children, conceived after training, will have a higher than normal number of red blood cells.
Explanation / Answer
17. The answer is
a. homologous structures
We can difine any organ or bone that appears in different animals, with same anatomical commonalities demonstrating descent from a common ancestor is called as homologous strucutres.
29. The answer is
d. The founder effect
ACCRODING TO CHEGG GUIDELINES WE HAVE TO ANSWER ONE QEUSTION AT A TIME. POST THE REST AS SEPERATE QEUSTIONS THEN I CAN HELP YOU.
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