Quiz 7_2008

Quiz 7_2008 - BSCI 106 Dr. Sara Via Quiz 8 1. All of the...

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

View Full Document Right Arrow Icon
BSCI 106 Fall 2008 Dr. Sara Via Quiz 8 1. All of the following can cause evolution except one. Which one? a. migration and gene flow *b. recombination c. genetic drift d. differential survival of genotypes e. mutation 2. All of these statements about genetic drift are true except one. Which one? a. Genetic drift is a random process, caused by chance. b. A bottleneck is one form of genetic drift, in which survivors of an episode of high mortality are not representative of the gene frequency in the population before the mortality occurred. c. Genetic drift can occur if a very small number of individuals found a new population. *d. Genetic drift can occur if a very large number of individuals found a new population. 3. Only one of these statements about natural selection is correct. a. Natural selection favors metal tolerant grass genotypes in pastures because they will allow the species to persist if there is metal contamination in the future. b.
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 03/23/2009 for the course BSCI 106 taught by Professor Porter during the Fall '08 term at Maryland.

Page1 / 3

Quiz 7_2008 - BSCI 106 Dr. Sara Via Quiz 8 1. All of the...

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