Multiple choice

If there were a gene for complexion and the effect of that gene was altered by the inheritance of another gene, the latter gene would be referred to as

  1. sex-controlled gene

  2. modifying gene

  3. regulator gene

  4. split gene

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Modifying gene alters 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.