genetics and inheritance


sexual and asexual reproduction: 


  • produces variation in offspring
  • survival advantage 
  • slower 
  • requires both parents to reproduce 


  • only 1 parent required 
  • quicker and more effcient 
  • more risky as the whole species could die if the conditions arent favourable as there is no variation in offspring 

dna structure: 

  • 2 strands wrapped around into a double-helix shape
  • dna is a polymer as its made up of monomers 
  • adnince, thymine, cytosine, guanine


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