Which description of chromosome structure is correct?
1 )
A chromosome at the beginning of interphase consists of two identical chromatids, each containing one linear molecule of DNA.
2 )
Telomeres are lengths of non-coding DNA found at one end of each chromatid to prevent loss of genes during cell division.
3 )
The two identical chromatids of a chromosome are held together by a centromere in which there is no DNA.
The very long DNA molecule of each chromatid is coiled and held together by proteins called histones.
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