7.7 Genes a and b are 20 cM apart. An at b*la* b* individual was mated with an a bla b individual. (a) Diagram the cross and show the gametes produced by each parent and the genotype of the F₁. (b) What gametes can the F₁ produce, and in what proportions? (c) If the F, was crossed to a bla b individuals, what off- spring would be expected, and in what proportions? (d) Is this an example of the coupling or repulsion link- age phase? (e) If the F, were intercrossed, what offspring would be expected, and in what proportions?

7.7 Genes a and b are 20 cM apart. An at bla b* individual was mated with an a bla b individual. (a) Diagram the cross and show the gametes produced by each parent and the genotype of the F₁. (b) What gametes can the F₁ produce, and in what proportions? (c) If the F, was crossed to a bla b individuals, what off- spring would be expected, and in what proportions? (d) Is this an example of the coupling or repulsion link- age phase? (e) If the F, were intercrossed, what offspring would be expected, and in what proportions?

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Description: 7.7 Genes a and b are 20 cM apart. An a* b*la* b* individualwas mated with an a bla b individual.(a) Diagram the cross and show the gametes produced byeach parent and the genotype of the F₁.(b) What gametes can the F, produce, and in whatproportions

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter12: Mendel's Experiments And Heredity

Section: Chapter Questions

Problem 34CTQ: A heterozygous pea plant produces violet flowers and yellow, round seeds. Describe the expected...

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