Q&A/Class 10/Biology

(a) Write foil form of DNA. (b) Why are variations essential for the species ? (CCE 2011)

Class 10CBSEBiologyChapter: Heredity and Evolution
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  • DNA. Deoxyribose nucleic acid.
  • Many of the variations have no immediate benefit to the species. They function as preadaptation’s which can be beneficial under certain environmental conditions like heat tolerance variation if the temperature of the area rises.
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