Which of the following is NOT an example of a human disease caused by a recessive allele that fails to produce a viable cellular protein?

W) Turner's syndrome

X) Tay-sachs [day-SAKS]

Y) Cystic fibrosis

Z) Phenylketonuria [fen-I-kee-toh-NOOR-ee-uh]
W) TURNER'S SYNDROME