Course

General Biology

Study Pack

Set 23 Microevolution

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Question 1

(Multiple Choice)

Free
The effect of which Hardy-Weinberg condition is affected by population size?

A) selection
B) genetic drift
C) gene flow
D) mutation

Answer

Question 2

(Multiple Choice)

Free
Suppose 64% of the individuals in a remote mountain village can taste phenylthiocarbamide (PTC) and must, therefore, have at least one copy of the dominant PTC taster allele. If this population conforms to Hardy-Weinberg equilibrium for this gene, what percent of the population must be heterozygous for this trait?

A) 16%
B) 32%
C) 40%
D) 48%

Answer

Question 3

(Multiple Choice)

Free
Which statement about the beak size of finches on the island of Daphne Major during prolonged drought is accurate?

A) Each bird evolved a deeper, stronger beak as the drought persisted.
B) Each bird's survival was strongly influenced by the depth and strength of its beak as the drought persisted.
C) Each bird that survived the drought produced only offspring with deeper, stronger beaks than seen in the previous generation.
D) The frequency of the strong-beak alleles increased in each bird as the drought persisted.

Answer