Suppose Members of a True-Breeding Strain of Salamanders with Yellow

question 84

Multiple Choice

Suppose members of a true-breeding strain of salamanders with yellow stripes are crossed with a true-breeding strain with red stripes.Red and yellow are two alleles of the same gene.The resulting offspring have both yellow stripes and red stripes.What pattern would you expect in the F₂ generation?

• A) Half will have yellow stripes, and half will have red stripes.
• B) Half will have both yellow and red stripes, one-quarter will have just yellow stripes, and one-quarter will have just red stripes.
• C) One-third will have both yellow and red stripes, one-third will have just yellow stripes, and one-third will have just red stripes.
• D) Half will have both yellow and red stripes, and half will be stripeless.
• E) One-quarter will have both yellow and red stripes, half will have just yellow stripes, and one-quarter will have just red stripes.

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