Tall tomato plants are produced by the action of a dominant D allele and dwarf plants by its allele. recessive d. The hair shaft is produced by a dominant H gene and the hairless shaft by its recessive allele h. A test cross was applied to a dihybrid plant and the following results were obtained; b. High-hairy 125 c. High non-hairy 115 d. Hairy dwarfs 117 e. Non-hairy dwarfs 123   a. Diagram the cross indicating the genotype of each parent. b. What are the expected phenotypic proportions showing their absolute frequency? c. Do these loci segregate independently? d. Because?

Concepts of Biology
1st Edition
ISBN:9781938168116
Author:Samantha Fowler, Rebecca Roush, James Wise
Publisher:Samantha Fowler, Rebecca Roush, James Wise
Chapter8: Patterns Of Inheritance
Section: Chapter Questions
Problem 5RQ: Imagine that you are performing a cross involving seed texture in garden pea plants. You cross...
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Tall tomato plants are produced by the action of a dominant D allele and dwarf plants by its allele. recessive d. The hair shaft is produced by a dominant H gene and the hairless shaft by its recessive allele h.
A test cross was applied to a dihybrid plant and the following results were obtained;
b. High-hairy 125
c. High non-hairy 115
d. Hairy dwarfs 117
e. Non-hairy dwarfs 123

 


a. Diagram the cross indicating the genotype of each parent.
b. What are the expected phenotypic proportions showing their absolute frequency?
c. Do these loci segregate independently?
d. Because?

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