mapping gene The genes for ruby eyes (rb), tan body (t) and cut wings (ct) are all found on the X-chromosome of Drosophila melanogaster. All of these are recessive traits. They map in the order rb, ct, t with 12.5 map units between rb and ct and 7.5 map units between ct and t. Suppose you cross a cut wing male with a homozygous female that is both tan and has ruby eyes.What will the F1 females look like?Draw map of the section of the X chromosomes that has these 3 genes for the F1 femalesAssume you testcross your F1 females.What progeny classes would you expect? ii. Give approximate numbers for each class based on a total of 2000 progeny.Assuming the i=1 and there are no double crossovers.Assuming the i=0 and there are the expected number of double crossovers.

Name: mapping gene The genes for ruby eyes (rb), tan body (t) and cut wings
Uploaded: 2024-03-20T06:42:55.000Z
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Description: mapping gene The genes for ruby eyes (rb), tan body (t) and cut wings (ct) are all found on the X-chromosome of Drosophila melanogaster. All of these are recessive traits. They map in the order rb, ct, t with 12.5 map units between rb and ct and 7.5

If the genes are located on the same chromosome then they are classified as linked genes. In the…

Biology: The Unity and Diversity of Life (MindTap Course List)

14th Edition

ISBN:9781305073951

Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Chapter10: Control Of Gene Expression

Section: Chapter Questions

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mapping gene

The genes for ruby eyes (rb), tan body (t) and cut wings (ct) are all found on the X-chromosome of Drosophila melanogaster. All of these are recessive traits. They map in the order rb, ct, t with 12.5 map units between rb and ct and 7.5 map units between ct and t. Suppose you cross a cut wing male with a homozygous female that is both tan and has ruby eyes.
What will the F1 females look like?
Draw map of the section of the X chromosomes that has these 3 genes for the F1 females
Assume you testcross your F1 females.
What progeny classes would you expect? ii. Give approximate numbers for each class based on a total of 2000 progeny.
Assuming the i=1 and there are no double crossovers.
Assuming the i=0 and there are the expected number of double crossovers.

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