A person that has a recessive, faulty allele for a disease, but does not have the disease would be termed a carrier for the disease.
In genetics, the allele for a trait can be dominant or recessive. When an allele is dominant, the trait will be expressed even in heterozygous conditions. This is not the case with recessive alleles.
For recessive alleles to be expressed, they need to be homozygous in nature. In heterozygous condition, anyone carrying the trait is said to be a carrier, and does not usually express the trait.
They are called a carrier because they do not express the trait themselves, however, they have a chance of passing the trait down to their offspring if they mate with another carrier individual.
In other words, a person with a recessive allele for a disease, but who does not express the disease is a carrier of the disease.
More on carriers in genetics can be found here: https://brainly.com/question/4076825
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