Biology for IGCSE & O level - Inheritance (Section 5 - No. 2)
What does 'carrier' refer to in genetics?
An individual who has a genetic disorder.
An individual who has a recessive allele for a trait.
An individual who is heterozygous for a recessive trait.
An individual who can pass on a trait to their offspring.
Explication
A carrier is heterozygous for a recessive trait. They don't express the trait but can pass it on to their offspring.