What would happen if histones were to be mutated and made rich in acidic amino acids such as asparti

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5.Molecular Basis of Inheritance

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What would happen if histones were to be mutated and made rich in acidic amino acids such as aspartic acid and glutamic acid in place of basic amino acids such as lysine and arginine?

Option A

Option B

Option C

Option D

Solution

If histone proteins were rich in acidic amino acids instead of basic amino acids then they may not have any role in $DNA$ packaging in eukaryotes as $DNA$ is also negatively charged molecule. The packaging of $DNA$ around the nucleosome would not happen. Consequently, the chromatin fibre would not be formed.

Standard 12

Biology