Question

Study the pedigree chart of a family showing the inheritance pattern of a certain disorder. Select the option that correctly identifies the nature of the trait depicted in the pedigree chart. 

Options

• Dominant X - linked

• Recessive X - linked

• Autosomal dominant

• Autosomal recessive

Answer 1

Recessive X - linked

Explanation:

The trait shown in the pedigree chart is recessive and X - linked. X - linked recessive illnesses, caused by gene variations on the X chromosome, are more common in men than in women.