Quiz3_Answers

Quiz3_Answers - Quiz 3 1. A population of 1,000 individuals...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Quiz 3 1. A population of 1,000 individuals has 3 alleles with the following frequencies: P = 0.2, Q = 0.2, S = 0.6. The fitness levels (survival) of genotypes are PP = 0.2, PQ = 0.4, PS = 0.4, QQ = 1.0, QS = 0.8, SS = 0.4. After selection, what is likely to happen to the frequency of allele P? a. The frequency will increase. b. The frequency will decrease. c. The frequency will remain the same. d. A prediction cannot be made from the supplied information. 2. The overfishing of bluefin tuna could lead to what type of evolutionary process? a. Founder effect b. Increased gene flow c. Hybrid breakdown d. Bottleneck effect 3. Mechanisms for maintaining genetic variation include all of the following except: a. Heterozygote advantage b. Diploidy c. Allele fixation d. Balancing selection 4. In the article Maladaptation and Natural Selection, Randolph M. Nesse provides six explanations for why organisms are susceptible to disease. All of the following are examples listed by Nesse except: a. Mismatch between design and environment
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 03/30/2009 for the course BISC 120Lg taught by Professor 11:00-01:50pm during the Fall '06 term at USC.

Page1 / 2

Quiz3_Answers - Quiz 3 1. A population of 1,000 individuals...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online