(D) To determine the recombination frequency between these 2 genes, you perform several crosses, where you cross an F1 from part (C) with a yellow- bodied, short-wing fly. You get the following results. What is the distance between the genes for body color and wing length in map units? body Wing length Number red long 45 red short 460 yellow long 440 yellow short 55

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
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You are working with a hypothetical fly and have found color and wing
mutants. Preliminary work indicates that the mutant traits are recessive and
the associated genes are not sex-linked, but beyond that, you have no
information. You first look at 2 genes, each with 2 alleles. "B" or “b" for body
color and "W" or "w" for wing surface. The red-body phenotype is dominant
to the yellow-body phenotype and smooth wings are dominant to crinkled
wings.
Transcribed Image Text:You are working with a hypothetical fly and have found color and wing mutants. Preliminary work indicates that the mutant traits are recessive and the associated genes are not sex-linked, but beyond that, you have no information. You first look at 2 genes, each with 2 alleles. "B" or “b" for body color and "W" or "w" for wing surface. The red-body phenotype is dominant to the yellow-body phenotype and smooth wings are dominant to crinkled wings.
(D) To determine the recombination frequency between these 2 genes, you
perform several crosses, where you cross an F1 from part (C) with a yellow-
bodied, short-wing fly. You get the following results. What is the distance
between the genes for body color and wing length in map units?
body
Wing length
Number
red
long
45
red
short
460
yellow
long
440
yellow
short
55
Transcribed Image Text:(D) To determine the recombination frequency between these 2 genes, you perform several crosses, where you cross an F1 from part (C) with a yellow- bodied, short-wing fly. You get the following results. What is the distance between the genes for body color and wing length in map units? body Wing length Number red long 45 red short 460 yellow long 440 yellow short 55
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