A) Secondary construction-I
B) Secondary construction-II
C) Telomeres
D) Both (a) and (b)
Correct Answer: A
Solution :
Each chromosome has a centromere (primary construction) but in sonic cases secondary construction is also present, more specifically called as secondary f construction-II - Its position is constant for p particular chromosome heterochromatin is condensed in this region. In man secondary construction-II is present in chromosome number 1, 10, 13, 16 and Y.
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