BIOLOGY 12E CONNECT ACCESS CARD
BIOLOGY 12E CONNECT ACCESS CARD
12th Edition
ISBN: 9781264938513
Author: Raven
Publisher: MCG
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Chapter 12, Problem 1A

Japanese four o’clocks that are red and tall are crossed to white short ones, producing an F1 that is pink and tall. If these genes assort independently, and the F1 is self-crossed, what would you predict for the ratio of F2 phenotypes?

a. 3 red tall:1 white short

b. 1 red tall:2 pink short: 1 white short

c. 3 pink tall:6 red tall:3 white tall:1 pink short:2 red short:1 white short

d. 3 red tall:6 pink tall:3 white tall:1 red short:2 pink short:1 white short

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Two summer white squashes with genotype WwYy were crossed (W= white color, Y=yellow color, w and y= green color) W is epistatic to Y and y. What would be the different colors of summer squashes obtained out of the above cross? (2 pts.) A. 12 white: 3 yellow:1 green B. 12 yellow: 3 white: 1 green C. 12 green: 1 white: 3 yellow D. 12 yellow: 3 green: 1 white
In four-o'clocks, the allele for red flowers is incompletely dominant over the allele for white flowers, so all heterozygotes have pink flowers. If you cross a white flower with a pink flower, what is the phenotypic ratio of the F1 generation (i.e., the offspring that are produced)?   a. 1 red: 2 pink: 1 white   b. 0 red: 2 pink: 2 white   c. 1 red: 0 pink: 3 white   d. 1 red: 1 pink: 2 white   e. 0 red: 4 pink: 0 white
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BIOLOGY 12E CONNECT ACCESS CARD

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