Consider the following regarding the diseases caused by the irregularity in the chromosomes in the human body.
I. Down's Syndrome: Extra chromosome is added to the 23rd autosomal chromosome
II. Patau's Syndrome: Additional autosomal chromsome is added to the 14th autosomal chromsome
III. Sickle Cell Anaemia: Change in the 17th autosomal chromsome
Which among the above is/are correct?
1
Both I and III
2
Only III
3
Only I
4
None of I, II and III