BSC 2011-24 (Honors) Quiz #3 Spring 2012Name, please: _______ANSWER KEY____________Please write the letter of the best choice on the line provided.__A__1. For a trait (antennal bristle number) with two alleles: F (fewbristles is dominant) and f (manybristles is recessive), a non-Hardy-Weinberg population of 28 fruitflies has 6 heterozygotes, 16 homozygous dominant flies, and the remainder have the recessive phenotype. What is the frequency of the dominant allele in this population?A. 0.68B. 0.57C. 0.66D. 0.34E. 0.79__B__2. The human coccyx (“tail bone”) has no current function and is said to be _____, meaning that this was a functional structure in one of our ancestral species.A. analogousB. vestigialC. convergentD. adaptiveE. homologous__A__3. The most recent common ancestor of arthropods (e.g., crustaceans & insects) & vertebrates did not possess eyes, and yet both groups possess eyes for vision. Arthropods eyes have compound lenses and vertebrates have eyes with a single lens. Eyes in both groups are said to be _____.
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