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Explain in brief how stability of DNA content

Explain in brief how stability of DNA content of a species is ensured in sexually reproducing organisms ? 

 

  • Answer:
    • Each cell has two copies of each chromosome, one frommale and the other from female parents which get halvedduring the formation of germ cells/gametes.
    • After fusion of the germ cells zygote is formed whichrestores the normal number of chromosomes and the sameamount of DNA in the progeny.

     

  • Exam Year: 2025
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