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2. From previous research findings, you know that the distance between the gene for eye colour and the gene for body colour is 12.2 map units, and the gene for body colour is 7.4 map units away from the gene for wing type. All three genes are on the same chromosome. Draw a chromosome map showing the relative distances between the three linked genes. 3.) You conduct the same cross again, but this time you get an almost exact 1:1 ratio of flies with normal eyes and normal wings to flies with purple eyes and vestigial wings. There are no recombinant types. Provide two explanations that might account for these results.

2. From previous research findings, you know that the distance between the gene for eye colour and the gene for body colour is 12.2 map units, and the gene for body colour is 7.4 map units away from the gene for wing type. All three genes are on the same chromosome. Draw a chromosome map showing the relative distances between the three linked genes. 3.) You conduct the same cross again, but this time you get an almost exact 1:1 ratio of flies with normal eyes and normal wings to flies with purple eyes and vestigial wings. There are no recombinant types. Provide two explanations that might account for these results.

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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First picture is the first answer that’s been answer I just need answers on 2 and 3.
A cross between PpVv x ppvv can be shown as : pv pV PpVv Ppvv ppvv ppVv Gametes PV Pv pv As mentioned, there are 1000 offspring in the F1 generation. You find that 406 of the flies have normal eyes and normal wings, 398 have purple eyes and vestigial wings, 96 have normal eyes and vestigial wings, and 100 have purple eyes and normal wings. Genotypes: Purple-eyed, vestigial wings will be Ppvv. (398) Purple-eyed, normal wings will be PpVv. (100) normal-eyed, vestigial wings will be ppvv. (Recombinants)(96) normal-eyed, normal wings will be ppVv. (Recombinants) (406) Total number of recombinants= 406+96 х 100 50.2. %, 1000
Transcribed Image Text:A cross between PpVv x ppvv can be shown as : pv pV PpVv Ppvv ppvv ppVv Gametes PV Pv pv As mentioned, there are 1000 offspring in the F1 generation. You find that 406 of the flies have normal eyes and normal wings, 398 have purple eyes and vestigial wings, 96 have normal eyes and vestigial wings, and 100 have purple eyes and normal wings. Genotypes: Purple-eyed, vestigial wings will be Ppvv. (398) Purple-eyed, normal wings will be PpVv. (100) normal-eyed, vestigial wings will be ppvv. (Recombinants)(96) normal-eyed, normal wings will be ppVv. (Recombinants) (406) Total number of recombinants= 406+96 х 100 50.2. %, 1000
2. From previous research findings, you know that the distance between the gene for eye colour and the gene for body colour is 12.2 map units, and the gene for body colour is 7.4 map units away from the gene for wing type. All three genes are on the same chromosome. Draw a chromosome map showing the relative distances between the three linked genes. 3.) You conduct the same cross again, but this time you get an almost exact 1:1 ratio of flies with normal eyes and normal wings to flies with purple eyes and vestigial wings. There are no recombinant types. Provide two explanations that might account for these results.
Transcribed Image Text:2. From previous research findings, you know that the distance between the gene for eye colour and the gene for body colour is 12.2 map units, and the gene for body colour is 7.4 map units away from the gene for wing type. All three genes are on the same chromosome. Draw a chromosome map showing the relative distances between the three linked genes. 3.) You conduct the same cross again, but this time you get an almost exact 1:1 ratio of flies with normal eyes and normal wings to flies with purple eyes and vestigial wings. There are no recombinant types. Provide two explanations that might account for these results.
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