Multiple choice

Gene is a unit of heredity . -------------------------- is one of two or more forms of a gene.

  1. Isotype

  2. Idiotype

  3. Allotype

  4. Allele
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D Correct answer
Explanation

An allele is one of two or more forms of a gene. Sometimes, different alleles can result in different traits, such as colour. Other times, different alleles will have the same result in the expression of a gene.

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