Multiple choice

If there is a gene for beauty and complexion whose effect is altered by the inheritance of another gene, the latter gene would be referred to as a

  1. sex-controlled gene

  2. modifying gene

  3. regulator gene

  4. chimeric gene
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Modifying genes alter the effect of companion genes in the phenotype of an individual. A real life example is a gene that modifies the effect of a dominant cataract allele.

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