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Linked genes and recombination

Biology • Non-Mendelian Genetics • Knowledge-Based • 1 questions

Linked genes and recombination Knowledge-Based Download PDF

Biology · Heredity · Biology · Non-Mendelian Genetics

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

Questions

  1. 1.

    Why do two gene loci located in close physical proximity on the same chromosome deviate from Mendel's law of independent assortment?

    • A) They tend to be inherited together because crossing over between them occurs infrequently during meiosis.
    • B) They segregate independently because homologous chromosomes align randomly during metaphase I.
    • C) They consistently yield recombinant offspring at frequencies exceeding 50% in testcrosses.
    • D) They completely prevent chiasmata from forming between homologous non-sister chromatids.