The four core histones are present in equal amounts in the cell. H1 is half as abundant as the other histones, which is consistent with the finding that only one molecule of H1 can associate with a nucleosome.

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#Unit 2. Cellular Organization

Exceptionally Amphibians and some flowering plants have greater amount of genome hence termed as PARADOX or C-Value Paradox

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#Unit 2. Cellular Organization

Disparity in genome content vs evolutionary status is called as C-Value Paradox

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#Unit 2. Cellular Organization

Number of gene per genome also shows paradoxical character.

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#Unit 2. Cellular Organization

If entire genome is encoding than mathematically human should have 106 genes but humans have only 30,000 to 50,000 genes this is also a paradoxical feature of genome 

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#Unit 2. Cellular Organization

Drosophila melanogaster also shows C-value paradox in term of their number of genes.

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#Unit 2. Cellular Organization

Quantification of reassociation/annealing of various part of DNA is called Reassociation Kinetics