Female Drosophila with cinnabar eye (cn) and vestigal wings (vg) were mated to males with roof wings (fr). The F1 were all wild type. When the F1 females were tested and crossed with male homozygous for all thrre traits, the following result were obtained.   For this problem, rf, cn, vg is for roof wing / cinnabar eye / vestugal wing   rf + cn + vg all wild type (no definite phenotype described).   What is the value of coincidence and interference?

Curren'S Math For Meds: Dosages & Sol
11th Edition
ISBN:9781305143531
Author:CURREN
Publisher:CURREN
Chapter9: Parenteral Medication Labels And Dosage Calculation
Section: Chapter Questions
Problem 2.2P
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Female Drosophila with cinnabar eye (cn) and vestigal wings (vg) were mated to males with roof wings (fr). The F1 were all wild type. When the F1 females were tested and crossed with male homozygous for all thrre traits, the following result were obtained.

 

For this problem, rf, cn, vg is for roof wing / cinnabar eye / vestugal wing

 

rf + cn + vg all wild type (no definite phenotype described).

 

What is the value of coincidence and interference?

 

F2:
Phenotype
Frequency
Genotype
Cinnabar, Vestigial
382
rf+, cn, vg
Roof
401
rf, cn+, vg+
Cinnabar
rf+, cn, vg+
Roof, Vestigial
4
rf, cnt, vg
Roof, Cinnabar, Vestigial
59
rf, cn, vg
Wild
67
rf+, cn+, vg+
Roof, Cinnabar
44
rf, cn, vg+
Vestigial
40
rf+, cnt, vg
Transcribed Image Text:F2: Phenotype Frequency Genotype Cinnabar, Vestigial 382 rf+, cn, vg Roof 401 rf, cn+, vg+ Cinnabar rf+, cn, vg+ Roof, Vestigial 4 rf, cnt, vg Roof, Cinnabar, Vestigial 59 rf, cn, vg Wild 67 rf+, cn+, vg+ Roof, Cinnabar 44 rf, cn, vg+ Vestigial 40 rf+, cnt, vg
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