A monosomic G. hirsutum is crossed with G. thurberi and produces offspring, some with 39 chromosomes and some with 38 chromosomes. Using cytological examination at meiosis, the 38-chromosome types show 13 bivalents and 12 univalents. Explain these results by making the pertinent crosses.

A monosomic G. hirsutum is crossed with G. thurberi and produces offspring, some with 39 chromosomes and some with 38 chromosomes. Using cytological examination at meiosis, the 38-chromosome types show 13 bivalents and 12 univalents. Explain these results by making the pertinent crosses.

Name: A monosomic G. hirsutum is crossed with G. thurberi and produces offsp
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Description: A monosomic G. hirsutum is crossed with G. thurberi and produces offspring, some with 39 chromosomes and some with 38 chromosomes. Using cytological examination at meiosis, the 38-chromosome types show 13 bivalents and 12 univalents. Explain these r

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter11: The Basic Principles Of Heredity

Section: Chapter Questions

Problem 11TYU: Individuals of genotype AaBb were mated to individuals of genotype aabb. One thousand offspring were...

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Individuals of genotype AaBb were mated to individuals of genotype aabb. One thousand offspring were counted, with the following results: 474 Aabb, 480 aaBb, 20 AaBb, and 26 aabb. What type of cross is it? Are these loci linked? What are the two parental classes and the two recombinant classes of offspring? What is the percentage of recombination between these two loci? How many map units apart are they?
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