What is true about a carrier of a recessive disorder?

Question

a
The carrier has two copies of the allele and does not exhibit symptoms
b
The carrier has one copy of the allele and does not exhibit symptoms.
c
The carrier has two copies of the allele and exhibits symptoms.
d
The carrier has one copy of the allele and exhibits symptoms.

Answer 1

A. The carrier has two copies of the allele and does not exhibit symptoms.