Question

Which is true
(a) centromere is found in animal cells which produces extra during cell division
(b) insulin gene is present in every body cell
(c) nucleosome is formed of nucleotides

(d) DNA has has a core of eight histones

Answer 1

Ans is (2)

'Centromere' is found in chromosomes where twochromatids are attached. 'Insulin' gene is found in every body cell but is notexpressed in all cells.