Which description is correct?
1 )
A centromere holds two chromatids together until the end of prophase and attaches to the microtubules of the spindle.
2 )
A chromatid is one of two identical parts of a chromosome and is made of proteins and two molecules of DNA.
3 )
A chromosome is a structure with two identical parts, made of DNA and proteins, found in the nucleus of a prokaryotic cell.
A telomere is a sequence of DNA nucleotides, such as GGGTAA, repeated many times and found at the ends of each chromatid.
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