A wild-type trihybrid soybean plant is crossed to a pure-breeding soybean plant with the recessive phenotypes pale leaf (1), oval seed (r), and short height (t). The results of the 3-point test cross are show below. Traits not listed are WT. a)What are the alleles on each homologous chromosome of the parental wild-type trihybrid soybean plant? Place the alleles in their correct gene order. Use L, R, and Phenotype Number Pale 648 Pale, oval Pale, short Pale, oval, short 64 10 I to represent dominant alleles and I, r, and t for recessive 102 alleles. Oval Oval, short 618 b) Calculate the recombination frequencies between the Short 84 adjacent genes and label on your gene map. Wild Type (all 3 loci) 98 Total 1630
A wild-type trihybrid soybean plant is crossed to a pure-breeding soybean plant with the recessive phenotypes pale leaf (1), oval seed (r), and short height (t). The results of the 3-point test cross are show below. Traits not listed are WT. a)What are the alleles on each homologous chromosome of the parental wild-type trihybrid soybean plant? Place the alleles in their correct gene order. Use L, R, and Phenotype Number Pale 648 Pale, oval Pale, short Pale, oval, short 64 10 I to represent dominant alleles and I, r, and t for recessive 102 alleles. Oval Oval, short 618 b) Calculate the recombination frequencies between the Short 84 adjacent genes and label on your gene map. Wild Type (all 3 loci) 98 Total 1630
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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Question

Transcribed Image Text:1. A wild-type trihybrid soybean plant is crossed to a pure-breeding soybean plant with the
recessive phenotypes pale leaf (1), oval seed (r), and short height (t). The results of the 3-point
test cross are show below. Traits not listed are WT.
a)What are the alleles on each homologous chromosome
of the parental wild-type trihybrid soybean plant?
Place the alleles in their correct gene order. Use L, R, and
Phenotype
Number
Pale
648
Pale, oval
Pale, short
Pale, oval, short
64
10
I to represent dominant alleles and I, r, and t for recessive
102
alleles.
Oval
b) Calculate the recombination frequencies between the
adjacent genes and label on your gene map.
Oval, short
618
Short
84
Wild Type (all 3 loci)
98
Total
1630
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