Neoteny is invoked to help explain:
A. how relatively little genetic change could
lead to the significant differences we see
between ourselves and chimps.
B. how our large brains evolved.
C. why selection favored relative hairlessness
in humans compared to our great ape-like
ancestors.
D. skin color variation among human
populations.
E. None of the above.
A
You might also like to view...
Which of the following statements regarding evolutionary relationships among land plants is correct? (Select all correct answer options.)
A. The ancestor of all land plants was a green alga. B. Bryophytes and vascular plants together form a monophyletic group. C. Vascular plants diverged more recently than bryophytes. D. Bryophytes form a monophyletic group. E. Vascular plants evolved from mosses.
Growth from apical meristems, generally resulting in an increase in the length of a plant, is referred to
as
a. horizontal growth. b. typical growth. c. secondary growth. d. longitudinal growth. e. primary growth.
What types of mutations are the most harmful, and why?
What will be an ideal response?
Base-modifying chemicals such as aflatoxin B1 or nitrosoguanidine cause mutations by
A) increasing the likelihood of depurination. B) causing double-stranded breaks in the DNA sugar-phosphate backbone. C) causing mispairing during DNA replication. D) causing pyrimidine dimers. E) increasing the likelihood of depurination or causing mispairing during DNA replication.