Quiz 3 Practice F

Quiz 3 Practice F - Quiz #3A Name, please: _ BSC 2011-03...

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Quiz #3A BSC 2011-03 Fall 2008 Name, please: __________________________________ ANSWERS ARE PROVIDED AT THE END 1. In a Hardy-Weinberg population with two alleles, A and a, the frequency of the “a” allele is 0.7. What percentage of the population is heterozygous? A) 42 B) 21 C) 100 D) 49 E) 9 2. A population of 80 wombats in northern Australia has 60 wombats that have the black-nosed dominant phenotype, 50 of which are heterozygous. The remaining wombats have the recessive brown-nosed phenotype. How many recessive alleles are in the gene pool for this trait in this population? A) 20 B) 50 C) 40 D) 90 E) 70 3. Given a population that contains genetic variation, what is the correct sequence of the following events, under the influence of natural selection? 1. Differential reproduction occurs between the poorly and better adapted individuals. 2. A new selective pressure arises in the environment. 3. Allele frequencies within the population change. 4. Poorly adapted individuals have decreased survivorship. A) 4, 2, 1, 3 B) 4, 2, 3, 1 C) 4, 1, 2, 3 D) 2, 4, 1, 3 E) 2, 4, 3, 1 4. All of the following hold true for a population at Hardy-Weinberg equilibrium EXCEPT _____.
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This note was uploaded on 04/01/2012 for the course BSC BSC2011 taught by Professor Spears during the Spring '10 term at FSU.

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Quiz 3 Practice F - Quiz #3A Name, please: _ BSC 2011-03...

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