The pedigree diagram shows how a recessive trait is inherited in a family. The red circle shows a person with the trait.

Answer:
The correct answer is - A. the child with the trait.
Explanation:
In recessive disorder, the trait is visible only when there are two recessive alleles present. In heterozygous condition, the trait does not express as it is shown in the pedigree.
Answer:
it's C or if you have different options for this question then it's 'Both parents are heterozygous for the trait.