Identify the correct statement

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In a human cell 2.2m long thread of DNA is distributed in 23 chromosomes.

Ribonucleic acid occurs in cytoplasm and nucleus

Arm ratio of metacentric chromosome is 1:2

Telomerase is a repetitive DNA

answer is B.

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Detailed Solution

Ribonucleic acid occurs in cytoplasm and nucleus. In the nucleus chromatin is present that contains RNA and, in the cytoplasm, also m RNA comes out for protein synthesis and rRNA is present in the ribosomes.In a human cell 2.2m long thread of DNA is distributed in 46 chromosomes.The ratio of length of the long arm to the short arm of a chromosome is called arm ratio. Arm ratio of metacentric chromosome is 1:1 as the centromere is centrally located.Telomerase is a ribonucleoprotein that synthesize a part of telomere

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