Hemophilia is a rare disorder in which your blood doesn't clot

Hemophilia is diagnosed at an average age of 9 months and almost to the age of 2

A person undergoes surgery and experiences excessive bleeding.

Hemophilia is carried on the X chromosome.

In humans, hemophilia is a sex-linked trait


PKU is caused by a deficiency of an enzyme called phenylalanine hydroxylase (PAH).

PKU was diagnosed from 3 months to 43 years of age, with an average at age 8.

Your baby's heel is cleaned with alcohol, and then the heel is poked with a small needle. Several drops of blood are collected inside circles on a special piece of paper. When enough blood has been collected.

(PKU) is located in the q arm of chromosome

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