Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Concept explainers

Genetic Recombination
Recombination is crucial to this process because it allows genes to be reassorted into diverse combinations. Genetic recombination is the process of combining genetic components from two different origins into a single unit. In prokaryotes, genetic recom…
Microbial Genetics
Genes are the functional units of heredity. They transfer characteristic information from parents to the offspring.
Question

In the example shown , what is the underlying cause of nonallelic
homologous recombination?

Repetitive sequences -Misaligned в Ас crossover А в с D Duplication Deletion в с Nonallelic homologous recombination, leading to a duplication and a deletion. Repetitive sequences, shown in red, have promoted the misalignment of homologous chromosomes. A crossover has occurred at sites between genes C and D in one chromatid and between genes B and C in another chromatid. After crossing over is completed, one chromatid contains a duplication, and the other contains a deletion.
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Transcribed Image Text:Repetitive sequences -Misaligned в Ас crossover А в с D Duplication Deletion в с Nonallelic homologous recombination, leading to a duplication and a deletion. Repetitive sequences, shown in red, have promoted the misalignment of homologous chromosomes. A crossover has occurred at sites between genes C and D in one chromatid and between genes B and C in another chromatid. After crossing over is completed, one chromatid contains a duplication, and the other contains a deletion.
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