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Polygenic inheritance

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

Polygenic inheritance Knowledge-Based Download PDF

Biology · Heredity · Biology · Non-Mendelian Genetics

1 Biology practice questions on Polygenic inheritance. Questions that assess core concepts and understanding.

Questions

  1. 1.

    Which of the following characteristics defines polygenic inheritance in living organisms?

    • A) A single gene locus influences multiple distinct phenotypic traits simultaneously.
    • B) Multiple independent genes exert an additive effect on the expression of a single phenotypic trait.
    • C) More than two alternative allelic forms exist for a single gene locus across a population.
    • D) The phenotypic expression of one gene locus masks or suppresses the expression of an entirely separate gene locus.