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Genes and alleles Knowledge-Based Practice

Biology · Heredity · Biology · Mendelian Genetics

1 Biology practice questions on Genes and alleles. Questions that assess core concepts and understanding.

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  1. 1.

    Which of the following statements best describes the relationship between a gene and an allele?

    • A) An allele is an alternative sequence variant of a specific gene that determines a variation of the same inherited trait.
    • B) A gene is an alternative version of an allele that occurs only on non-homologous chromosomes.
    • C) An allele is the observable physical appearance of a trait, whereas a gene represents the entire set of proteins in a cell.
    • D) A gene is formed when two identical alleles merge during fertilization to create a novel chromosome.

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