Genetics: From Genes to Genomes, 5th edition
5th Edition
ISBN: 9780073525310
Author: Leland H. Hartwell, Michael L. Goldberg, Janice A. Fischer, Leroy Hood, Charles F. Aquadro
Publisher: McGraw-Hill Education
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Chapter 21, Problem 11P
In a certain plant, leaf size is determined by four independently assorting genes acting additively. Thus, alleles A, B, C, and D each add 4 cm to leaf length and alleles A′, B′, C′, and D′ each add 2 cm to leaf length. Therefore, an A/A B/B C/C D/D plant has leaves 32 cm long and an A′/A′ B′/B′ C′/C′ D′/D′ plant has leaves 16 cm long.
| a. | If true-breeding plants with leaves 32 cm long are crossed to true-breeding plants with leaves 16 cm long, the F will have leaves 24 cm long and the genotype A/A′ B/B′ C/C′ D/D′. List all possible leaf lengths and their expected frequencies in the F generation produced from these F plants. | ||||||||||||||||||||||||
| b. | Now assume that in a randomly mating population the following allele frequencies occur:
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| c. | What proportion of the plants in the population described in part b will have leaves that are 32 cm long? |
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Chapter 21 Solutions
Genetics: From Genes to Genomes, 5th edition
Ch. 21 - Choose the best matching phrase in the right...Ch. 21 - Prob. 2PCh. 21 - How can each of the following be used in...Ch. 21 - Which of the following statements would be true of...Ch. 21 - Prob. 5PCh. 21 - Prob. 6PCh. 21 - Prob. 7PCh. 21 - Human geneticists have found the Finnish...Ch. 21 - Prob. 9PCh. 21 - Prob. 10P
Ch. 21 - In a certain plant, leaf size is determined by...Ch. 21 - Compare and contrast the use of SNP genotyping: i...Ch. 21 - Prob. 13PCh. 21 - Prob. 14PCh. 21 - Canavan disease, caused by homozygosity for a...Ch. 21 - Prob. 16PCh. 21 - Prob. 17PCh. 21 - Consider the triangle diagram shown in Fig. 21.15....Ch. 21 - Prob. 19PCh. 21 - Prob. 20PCh. 21 - Suppose a GWAS investigation found a particular LD...Ch. 21 - In domesticated dogs, size has a high...Ch. 21 - Prob. 23P
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