B13.9 Inhertied Disorders

Question 1

What is Huntington’s disease ? Is it dominant or recessive ?

Answer 1

• Enlargement of the frontal horns of the internal ventricles within the brain
• Dominant
  Meaning you cannot be a carrier

Question 2

What is cycstic fibrosis ? Is it dominant or recessive ?

Answer 2

• Thickened mucus builds up in the airways
• caused by a disorder of cell membranes
• Recessive
  Meaning it requires ff

Question 3

What is Polydactyl ? Is it dominant or recessive?

Answer 3

• Extra digit/ finger (genetic disorder)
• Dominant allele
  Meaning you cannot be a carrier, if you have Polydactyle it will be the displayed trait