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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Chapter7: Development And Sex Determination
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Problem 19QP: Equalizing the Expression of X Chromosome Genes in Males and Females Individuals with an XXY...
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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.
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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