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Linked genes and recombination Knowledge-Based Practice

Biology · Heredity · Biology · Non-Mendelian Genetics

1 Biology practice questions on Linked genes and recombination. Questions that assess core concepts and understanding.

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  1. 1.

    How does the physical proximity of two gene loci on the same chromosome affect their pattern of inheritance and recombination frequency?

    • A) Closer loci segregate independently during anaphase I, which leads to a constant recombination frequency of 50%.
    • B) Greater physical distance between loci reduces the likelihood of crossing over, generating predominantly parental gametes.
    • C) Closer loci undergo homologous recombination more frequently, producing a recombinant offspring proportion above 50%.
    • D) Closer loci are more likely to be inherited together because crossing over occurs less frequently between them.

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