In a species of fly, smooth wings (W) are dominant to wrinkled wings (w) and red bodies (R) are dominant to yellow bodies (r). A WwRr and wwrr fly were mated and produce the following offspring: Smooth, red 778 Smooth, yellow 162 Wrinkled, red 158 Wrinkled, yellow 785 a) What is the recombination frequency for this mating? Choose...

Human Anatomy & Physiology (11th Edition)
11th Edition
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Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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In a species of fly, smooth wings (W) are dominant to wrinkled wings (w) and red bodies (R) are dominant to yellow bodies
(r).
A WwRr and wwrr fly were mated and produce the following offspring:
Smooth, red
778
Smooth, yellow
162
Wrinkled, red
158
Wrinkled, yellow
785
a) What is the recombination frequency for this mating?
Choose... +
Choose...
b) Genes A, B, C, and D are located on the same chromosome. The recombination frequencies are as
20%
follows:
A-B-C-D
A-B = 10%, A-C = 25%, A -D = 13% , C -D = 12%
29%
A-B-D-C
What is the most likely order of the genes on the chromosome?
D-C-A-B
17%
Transcribed Image Text:In a species of fly, smooth wings (W) are dominant to wrinkled wings (w) and red bodies (R) are dominant to yellow bodies (r). A WwRr and wwrr fly were mated and produce the following offspring: Smooth, red 778 Smooth, yellow 162 Wrinkled, red 158 Wrinkled, yellow 785 a) What is the recombination frequency for this mating? Choose... + Choose... b) Genes A, B, C, and D are located on the same chromosome. The recombination frequencies are as 20% follows: A-B-C-D A-B = 10%, A-C = 25%, A -D = 13% , C -D = 12% 29% A-B-D-C What is the most likely order of the genes on the chromosome? D-C-A-B 17%
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