In genetics, a carrier _____.Group of answer choicesmay or may not show disease symptomsalways show no disease symptomsalways show disease symptoms

In genetics, a carrier is an individual who possesses one copy of a recessive allele that causes a genetic disease. However, they do not exhibit symptoms of the disease themselves because they also have a dominant allele that masks the effects of the recessive one. This means that carriers may pass the recessive allele on to their offspring, who may express the disease if they inherit two copies of the alleles (one from each parent).

Given the answer choices:

1. may or may not show disease symptoms
2. always show no disease symptoms
3. always show disease symptoms

The most accurate choice is that a carrier may or may not show disease symptoms. This reflects the condition where they carry the recessive allele but do not necessarily express the disease trait themselves. It's important to understand the genetics behind this concept, as it plays a crucial role in genetic counseling and understanding heritage in families with genetic disorders. Therefore, the answer is:

Final Answer

may or may not show disease symptoms