Question

In Down's syndrome (Mongolism) each cell has how many chromosomes [MP PMT 1998]
A) {{21}^{st}}
pair having one less
B) {{23}^{rd}}
pair with one less
C) 45
D) 47

Answer 1

In Down's syndrome (Mongolism) each cell has how many chromosomes {{23}^{rd}}
pair with one less