You are given a Drosophila female that looks wild-type but is heterozygous for mutations in tan body (t), miniature wings (m), and white eyes (w). You test cross this female with a tan bodied, miniature winged, and white-eyed homozygous mutant male, and you obtain the following 1400 progeny: Phenotype : number + + + : 608 t m w : 516 + m w : 2 t + + : 6 + m + : 39 t + w : 46 + + w : 81 t m + : 102 Calculate the distance between each pair t-m, m-w, and t-w only using the number of recombinants between them (i.e. ignoring the gene in the middle). Draw a linear map with the distances between genes.
You are given a Drosophila female that looks wild-type but is heterozygous for mutations in tan body (t), miniature wings (m), and white eyes (w). You test cross this female with a tan bodied, miniature winged, and white-eyed homozygous mutant male, and you obtain the following 1400 progeny: Phenotype : number + + + : 608 t m w : 516 + m w : 2 t + + : 6 + m + : 39 t + w : 46 + + w : 81 t m + : 102 Calculate the distance between each pair t-m, m-w, and t-w only using the number of recombinants between them (i.e. ignoring the gene in the middle). Draw a linear map with the distances between genes.
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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You are given a Drosophila female that looks wild-type but is heterozygous for mutations in
tan body (t), miniature wings (m), and white eyes (w). You test cross this female with a tan
bodied, miniature winged, and white-eyed homozygous mutant male, and you obtain the
following 1400 progeny:
+ + + : 608
t m w : 516
+ m w : 2
t + + : 6
+ m + : 39
t + w : 46
+ + w : 81
t m + : 102
Calculate the distance between each pair t-m, m-w, and t-w only using the number of
recombinants between them (i.e. ignoring the gene in the middle). Draw a linear map with the
distances between genes.
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