Genetic Disorders

Question 0

Sickle cell anemia

Answer 0

Cause: Homozygous recessive results in disease. One gene gives some symptoms.
Effects: RBC’s are curved or oddly shaped and don’t carry oxygen. RBC’s clog capillaries. Causes pain and organ failure.

Question 1

Cystic Fibrosis

Answer 1

Cause: A mutation where three base pairs were removed. Is recessive and inherited.
Effects: Thick mucus in lungs and intestines which causes infections, can shorten life.

Question 2

Hemophilia

Answer 2

Cause: A recessive gene that is on the X chromosome, sex linked.
Effects: Blood doesn’t clot properly. Mostly in males and can be fatal.

Question 3

Down Syndrome

Answer 3

Cause: Chromosomes don’t separate properly in meiosis and can’t be inherited.
Effects: Results in some degree of mental retardation and maybe heart problems. There are distinct facial features