1.

Which human chromosomes are involved in Down’s syndrome?(a) 6(b) 14 and 21(c) 8 and 12(d) X and YI had been asked this question in class test.Question is taken from Chromosomal Abnormalities : Duplication topic in section Chromosomal Basis of Inheritance of Cytogenetics

Answer»

The CORRECT answer is (b) 14 and 21

The best explanation: In Down’s SYNDROME a part of the 21^st chromosome’s long ARM duplicates and TRANSFERS to chromosome 14’s long arm.



Discussion

No Comment Found

Related InterviewSolutions