A disease caused by an autosomal primary non-disjunction is:
1. Klinefelter's Syndrome
2. Turner's Syndrome
3. Sickle Cell Anemia
4. Down's Syndrome
I: | Haemophilia is a sex-linked recessive disease. |
II: | Down’s syndrome is due to aneuploidy. |
III: | Phenylketonuria is an autosomal recessive gene disorder. |
IV: | Sickle cell anaemia is an X-linked recessive gene disorder |