Quiz: Inheritance of Single-Gene Disorders
Question 1 of 3  

Traits produced by a gene can be either dominant or recessive. A trait is dominant when the trait appears when only one copy of the gene is present. A trait is recessive when the trait only appears when two copies of the gene for that trait are present. Which of the following is the term used for people who have only one copy of an abnormal gene for a recessive trait? 

  • A.


  • B.


  • C.

    Non-X-linked inheritors

  • D.

    X-linked inheritors

Am I correct?