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During meiosis, chromosomes with substantial DNA sequence homology will pair and exchange pieces of DNA, a process called genetic recombination. Learn more about SRY at:
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Patients with these syndromes and others with deletion or duplication syndromes often have parents with balanced translocations involving the chromosomes in which the child has the deletion or duplication.
Evolution of the Y Chromosome
Film Guide Teacher Guide. A "Klinefelter Calico Cat" was one of the first evidence that the Y chromosome determines maleness in mammals.
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