Question

can someone be a carrier for a dominant trait?

yes
no
maybe?

Answer 1

No, a person cannot be a carrier for a dominant trait in the same way they can be for a recessive trait. In genetics, a dominant trait will manifest in the phenotype (the observable characteristics) if at least one dominant allele is present. Therefore, an individual with a dominant allele will express the trait, while carriers typically refer to individuals with a recessive allele who do not express the recessive trait but can pass it to their offspring.