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Assertion: The genetic material possesses stability over generations.

Reason: Genetic material is protected by various mechanisms, such as DNA repair enzymes and histone proteins, which help maintain the stability of the genetic information.

Option: 1

Both A and R are true and R is the correct explanation of A.


Option: 2

Both A and R are true but R is NOT the correct explanation of A.


Option: 3

A is true but R is false.


Option: 4

A is false but R is true.


Answers (1)

best_answer

The stability of genetic material is crucial for the accurate transmission of genetic information from one generation to the next. The assertion states that genetic material possesses stability over generations, which is supported by the reason provided.

DNA repair enzymes play a vital role in maintaining the stability of genetic material. These enzymes constantly monitor the DNA structure, identify and repair any damage or mutations that may occur. They can correct various types of DNA damage, including breaks, base modifications, and crosslinks. By repairing DNA damage, these enzymes help preserve the integrity of the genetic material and minimize the risk of mutations that could be passed on to future generations.

Histone proteins also contribute to the stability of genetic material. These proteins help organize and package DNA into a highly compact and organized structure called chromatin. By forming nucleosomes and higher-order chromatin structures, histones protect DNA from damage and help maintain its structural integrity. They also play a role in regulating gene expression by modulating the accessibility of DNA to transcription factors and other regulatory proteins.

Together, DNA repair enzymes and histone proteins provide mechanisms that ensure the stability of genetic material over generations. They help protect the genetic

information from external factors, maintain the accuracy of DNA replication, and minimize the accumulation of mutations. This stability is essential for the inheritance of genetic traits and the proper functioning of cells and organisms. Hence option 1 is the correct answer.

Posted by

Kuldeep Maurya

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