select the correct answer. tay - sachs disease is caused by a mutation in the hexa gene located on…
select the correct answer. tay - sachs disease is caused by a mutation in the hexa gene located on chromosome 15. tay - sachs follows an autosomal recessive pattern of inheritance. with the help of the diagram, identify which of the offspring will be an unaffected carrier.
Answer
Brief Explanations:
An unaffected carrier for an autosomal - recessive disorder has one normal allele and one mutant allele. In the diagram, the individuals with one blue (representing the mutant allele) and one white (representing the normal allele) part are carriers. Since the individual is unaffected, they do not have two mutant alleles.
Answer:
B. The individual with one blue and one white part.