Genetics: From Genes to Genomes
6th Edition
ISBN: 9781259700903
Author: Leland Hartwell Dr., Michael L. Goldberg Professor Dr., Janice Fischer, Leroy Hood Dr.
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 5, Problem 31P
The following list of four Drosophila mutations indicates the symbol for the mutation, the name of the gene, and the mutant
| Allele symbol | Gene name | Mutant phenotype |
| dwp | dwarp | Small body, warped wings |
| rmp | rumpled | deranged bristles |
| pld | pallid | pale wings |
| rv | raven | dark eyes and bodies |
You perform the following crosses with the indicated results:
Cross #1: dwarp, rumpled females × pallid, raven males → dwarp, rumpled males and wild-type females
Cross #2: pallid, raven females × dwarp, rumpled males → pallid, raven males and wild-type females
F females from cross #1 were crossed to males from a true-breeding dwarp rumpled pallid raven stock. The 1000 progeny obtained were as follows:
| pallid | 3 |
| pallid, raven | 428 |
| pallid, raven, rumpled | 48 |
| pallid, rumpled | 23 |
| dwarp, raven | 22 |
| dwarp, raven, rumpled | 2 |
| dwarp rumpled | 427 |
| dwarp | 47 |
Indicate the best map for these four genes, including all relevant data. Calculate interference values where appropriate.
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Chapter 5 Solutions
Genetics: From Genes to Genomes
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