Question

Name the kind of diseases/disorders and any two symptoms that are likely to occur in humans if:
(a) Mutation in the gene that codes for an enzyme phenylalanine
hydroxylase occurs.
(b) The karyotype is XXY.

Answer 1

Answer:

Down syndrome or turner syndrome

Answer 2

The kind of diseases/disorders that are likely to occur in humans if:

(a) Mutation in the gene that codes for an enzyme phenylalanine

hydroxylase occurs is

ans) phenylketonuria

SYMPTOMS of phenylketonuria are:

i) delayed development

ii) slow stature

b) If the karyotype becomes XXY

ans) klinifelter syndrome

SYMPTOMS of klinifelter syndrome are:

i) breast enlargement

ii) reduced facial hair and muscle mass