1. You want to map the relative location and distance between three genes, GX, GY and GZ. You know each gene has a dominant and a recessive allele: X and x, Y and y, and Z and z. You have two homozygote lines with genotype XXyyzz and xXYYYZZ. f. There are three ways in which the different genes can be arranged, what are they, and what would a double crossover event look like for each scenario? g. How do you recognize the double crossover? h. How would you calculate gene distance?

Human Anatomy & Physiology (11th Edition)
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1. You want to map the relative location and distance between three genes, GX, GY and
GZ. You know each gene has a dominant and a recessive allele: X and x, Y and y, and Z
and z. You have two homozygote lines with genotype XXyyzz and xxYYYZZ.
f. There are three ways in which the different genes can be arranged, what are
they, and what would a double crossover event look like for each scenario?
g. How do you recognize the double crossover?
h. How would you calculate gene distance?
Transcribed Image Text:1. You want to map the relative location and distance between three genes, GX, GY and GZ. You know each gene has a dominant and a recessive allele: X and x, Y and y, and Z and z. You have two homozygote lines with genotype XXyyzz and xxYYYZZ. f. There are three ways in which the different genes can be arranged, what are they, and what would a double crossover event look like for each scenario? g. How do you recognize the double crossover? h. How would you calculate gene distance?
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