Crossing over produces new allelic combinations pr vg pr vg pr vg pr+ vg+ pr+ vg Dr+ g Crossover between chromatids Meiosis Crossover Parental chromosomes chromosomes FIGURE 4-3 The exchange of parts by crossing over may produce gametic chromosomes whose allelic combinations cross-shaped structur nonsister chromatids ance of the chiasman differ from the parental combinations.

Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN:9781305251052
Author:Michael Cummings
Publisher:Michael Cummings
Chapter3: Transmission Of Genes From Generation To Generation
Section: Chapter Questions
Problem 24QP: Meiosis Explains Mendels Results: Genes Are on Chromosomes The following diagram shows a...
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In Figure 4-3, would there be any meiotic products that
did not undergo a crossover in the meiosis illustrated? If
so, what colors would they be in the color convention
used?

Crossing over produces new allelic combinations
pr
vg
pr vg
pr
vg
pr+ vg+
pr+
vg
Dr+ g
Crossover between
chromatids
Meiosis
Crossover
Parental
chromosomes
chromosomes
FIGURE 4-3 The exchange of parts by
crossing over may produce gametic
chromosomes whose allelic combinations
cross-shaped structur
nonsister chromatids
ance of the chiasman
differ from the parental combinations.
Transcribed Image Text:Crossing over produces new allelic combinations pr vg pr vg pr vg pr+ vg+ pr+ vg Dr+ g Crossover between chromatids Meiosis Crossover Parental chromosomes chromosomes FIGURE 4-3 The exchange of parts by crossing over may produce gametic chromosomes whose allelic combinations cross-shaped structur nonsister chromatids ance of the chiasman differ from the parental combinations.
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