Studies of Enzyme Genotypes and Flight in Colias Butterflies Showed

question 13

Multiple Choice

Studies of enzyme genotypes and flight in Colias butterflies showed that

• A) males that are heterozygous for the PGI gene have greater mating success than homozygous males because they are able to fly farther in a broad range of temperatures.
• B) males that are heterozygous for the PGI gene are always inferior in flight compared to homozygotes.
• C) genotypes for the PGI gene do not affect flight ability.
• D) flight ability and mating success are not correlated.
• E) flight ability can be explained by Muller's ratchet.

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