01:119:115 Midterm: Thomas Morgan Hunt and his findings
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2 Nov 2018
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Thomas Hunt Morgan investigated linkage between the gene for purple eye color(pr) and the gene for vestigial wing. He first mated flies known to be pure breeding for purple eye and vestigial wing with wild type flies pure breeding for both traits. When Morgan mated female offspring from the cross with male pr vg / pr vg flies, he obtained the following results:
Phenotype
| Number observed |
Wild type eye, | 1139 |
Wild type eye, | 151 |
Purple eye(pr), | 154 |
Purple eye, Vestigial wing | 1195 |
total | 2639 |
Are these loci linked? If yes, what is the distance between them?
For Morgan's data the map distance between the loci for purple eye color and vestigial wing is: