Question Detail
Question
The ability to taste PTC is a trait: A. dominant B. recessive C. sex controlled D. sex linked.
Correct Answer
Option A is the correct answer.
Detailed Explanation
The ability to taste the chemical PTC (phenylthiocarbamide) is an autosomal dominant trait. Individuals with at least one copy of the dominant allele (T) can taste it, while those homozygous recessive (tt) are non-tasters.
Hint
It's a classic example of a dominant trait in humans.