Unformatted text preview: e following offspring.
Female 0 45 55 0 1 The wild-type and white-eyed individuals from the F1 generation were then crossed to produce the following
F2 23 31 22 24 0 (a) Determine the genotypes of the original parents (P generation) and explain your reasoning. You may use
Punnett squares to enhance your description, but the results from the Punnett squares must be discussed in
(b) Use a Chi-squared test on the F2 generation data to analyze your prediction of the parental genotypes. Show
all your work and explain the importance of your final answer.
(c) The brown-eyed female in the F1 generation resulted from a mutational change. Explain what a mutation is,
and discuss two types of mutations that might have produced the brown-eyed female in the F1 generation. Copyright © 2003 by College Entrance Examination Board. All rights reserved.
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- Winter '05
- Biology, College Entrance Examination Board, college entrance examination, Entrance Examination Board