working type beetie that normally smooth, large and you discover 3 mutations that lead to the recessive phenotypes bumpy, small and grey, respectively. You cross true-breeding smooth white beetles to true-breeding bumpy grey beetles and get all smooth white F1 beetles. Then, your cross the F1 beetles to true- breeding bumpy grey beetles and, after analyzing 800 F2s, calculate a map distance of 5 cM between the smoothness and color loci. a. What are the 4 phenotypic classes you get in the F2? Fill in the table below. For the body type (i.e., smooth or bumpy), use S or s to designate the alleles. For the color (ie., white or grey), use W or w to designate the alleles. For the size (i.e., large or small), use L or l to designate the alleles. Genotypic class Phenotypic class Number of this phenotype 380 380 20
working type beetie that normally smooth, large and you discover 3 mutations that lead to the recessive phenotypes bumpy, small and grey, respectively. You cross true-breeding smooth white beetles to true-breeding bumpy grey beetles and get all smooth white F1 beetles. Then, your cross the F1 beetles to true- breeding bumpy grey beetles and, after analyzing 800 F2s, calculate a map distance of 5 cM between the smoothness and color loci. a. What are the 4 phenotypic classes you get in the F2? Fill in the table below. For the body type (i.e., smooth or bumpy), use S or s to designate the alleles. For the color (ie., white or grey), use W or w to designate the alleles. For the size (i.e., large or small), use L or l to designate the alleles. Genotypic class Phenotypic class Number of this phenotype 380 380 20
Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN:9781305389892
Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Chapter13: Genes, Chromosomes, And Human Genetics
Section: Chapter Questions
Problem 8TYK: Another gene in Drosophila determines wing length. The dominant wild-type allele of this gene...
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