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CBSE Class 10 Answered

A) what is DNA? How does it express itself? B) what is the importance of DNA copying in reproduction? 
Asked by Shobha | 15 Nov, 2018, 03:00: PM
answered-by-expert Expert Answer

DNA or Deoxyribonucleotide is the basis of genetic mechanism.  Genes are the specific parts of chromosomes or Deoxyribo Nucleic Acid (DNA) segments which determine the hereditary characteristics.

Importance of DNA copying in reproduction:

  • DNA copying mechanism is extremely necessary for reproduction as copying of DNA helps in transfer of information or characters from parents to offspring.
  • It also generates variations during sexual reproduction. This variation leads to evolution.
  • DNA copying is also necessary because DNA (Deoxyribonucleic acid) is the genetic material found in chromosomes, which are present in the nucleus of a cell.
  • DNA determines the body design of an individual. It carries the genetic information and key for the production of every type of cell proteins, which control the function of living organisms.
  • DNA copying also helps in proper survival of the organism by similar copying and variation during DNA copying leads to evolution.
Answered by Sheetal Kolte | 15 Nov, 2018, 03:47: PM
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