Q: 35 (NDA-II/2010)

Statement I: Human beings have 23 pair of chromosomes, one of which is the sex chromosome and the remaining 22 autosomes. The X-linked diseases are related to mutations on a sex chromosome.
Statement II: Colour blindness results from a mutation in X-chromosome.
question_subject: 
Science
stats: 
0,136,320,264,136,48,8