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Home Q & A Board Biology-Related Homework Help Genetics and Developmental Biology
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rockobsesser rockobsesser
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10 years ago
Three genes (b for plant-color booster, v for virescent, and lg for liguleless) are located on chromosome 3 of corn. A testcross of F1 trihybrid with a tester produced progenies having the following genotypes: 305 + v lg; 275 b + +; 128 b + lg; 112 + v +; 74 + + lg; 66 b v +; 22 + + +; and 18 b v lg. 1) determine the allele combinations in the trihybrid F1 (2pt) ; 2)Map the three genes on chromosome 3, please show both the gene order and map distance. Make sure to consider double recombinants to correct the map distance
Source  Introduction to Genetic Analysis 7th edition
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10 years ago
v–b: 18.0 m.u.

b–lg: 28.0 m.u.

Coefficient of coincidence = 0.79
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