Which Statement Describes Centromeric Sequences in Humans?
A) They Consist $\alpha$

Which statement describes centromeric sequences in humans?

A) They consist of two short conserved sequences, CDEI/III, separated by 78-86 base pairs.
B) They consist of a central core of unique-sequence DNA, flanked by tandem repeats of three repetitive sequence elements.
C) They consist of A/T-rich $\alpha$ -satellite DNA, spanning 1-5 million base pairs.
D) They consist of two satellite sequences, transposable elements, and nonrepetitive DNA, spanning hundreds of kilobases.