The old order Amish in Lancaster County is an
example of a population that underwent
a. a bottle neck.
b. mutation.
c. a founder effect.
d. gene flow.
e. genetic drift
C
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Ethanol (beverage alcohol) is an inhibitor of ADH. Therefore, a person consuming a couple of mixed drinks should excrete:
a. less water because ADH promotes reabsorption b. the alcohol because ADH cannot degrade it c. ketone bodies formed from the alcohol d. more water because ADH normally promotes reabsorption e. more water plus the alcohol due to the ADH inhibition
Four of the five compounds listed below are involved
in the light-independent reactions. Select the exception. a. O2 b. carbon dioxide c. ribulose bisphosphate d. phosphoglyceraldehyde e. phosphoglycerate
Let S = smooth pea and s = wrinkled pea; Y = yellow pea and y = green pea. What are the different possible genotypes of the gametes produced by a plant that is heterozygous for both characters?
A) All will be SsYy. B) S, s, Y, y C) SY, sy D) Ss, Yy E) SY, Sy, sY, sy
Diffusion moves items with their concentration gradient
a. true b. false