Practice Quiz

AP Biology Practice Questions

Category - Biology

Start a Study Session Sign up for Question of the Day
A child in a local hospital is found to have a condition caused by gene X. Gene X is found to be recessive. If the gene is not mutated, then the child must have inherited gene X from __________.
  1. Mother only
  2. Father only
  3. Either parent
  4. Both parents
  5. Father is the child is female
Explanation
Answer: D, Both parents. Recessive traits only appear in an offspring when inherited from both parents.

Key Takeaway: A principle of dominance is that dominant traits will appear even if only one dominant allele is inherited. As a result, recessive traits only appear when they are inherited from both the male and female parent.
Previous Next
Was this helpful? Upvote!
Login to contribute your own answer or details
Start a Study Session Sign up for Question of the Day

Top questions

Related questions

Most popular on PracticeQuiz