inherited disorders involving recessive and dominant alleles

Question 1

metabolic disease that is
caused by a buildup of Phenylalanine in the body due to an enzyme deficiency, particularly the hepatic enzyme Phenylalanine Hydroxylase (PAH).

Answer 1

PHENYLKETONURIA (PKU)

Question 2

Most commonly occurring in
children, that results in progressive
destruction of the nervous system.

Answer 2

TAY-SACHS DISEASE (TSD)

Question 3

People with ——– can not convert the amino acid Phenylalanine to Tyrosine due to a mutation in the gene that codes for PAH.

Answer 3

PHENYLKETONURIA (PKU)

Question 4

caused by the absence of a vital
enzyme called hexosaminidase-A
(Hex-A).

Answer 4

● TAY-SACHS DISEASE (TSD)

Question 5

—– is caused by an inherited detect in a single gene (HTT). —— is an autosomal dominant disorder, a person needs only one copy of the defective gene.

Answer 5

Huntington’s disease

Question 6

Huntington’s disease isnt expressed until when?

Answer 6

mid-life