Genetic+Counselor.

Genetic Counselor Question 1: Incidence of the disorder. Answer: -There is no ethnic or geographical predisposition to this disorder. -About 1 in 25,000 have it. -Also, there is no gender preference. Question 2: What causes this disorder? Answer: -85% of the disorder show up randomly. -It shows up in an autosomal dominate pattern, which means 1 copy of the altered gene in each cell is sufficient to the cause. -The 4th chromosome is altered. -It is not a sex-linked chromosome. Question 3: Is the disorder dominate or recessive? Answer: -Achondroplasia is an autosomal dominate condition. With this, a child can be born 1 of 3 ways: 1. A normal parent x A dwarf parent = 50/50 chance. 2. A dwarf parent x A dwarf parent = 25% normal size, 50 % chance dwarf and 25% child will die. 3. A normal parent x A normal parent = 75 % dwarf. Question 4: Answer: 

