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If a trait A exists in 10% of a population of an asexually reproducing species and a trait B exists in 60% of the same population, which trait is likely to have arisen earlier?
  
a. If a trait A exists in 10% of a population of an asexually reproducing species and a trait B exists in 60% of the same population, which trait is likely to have arisen earlier?
 
b. Cell divisions produce similar cells with __________ in asexual reproduction.
 
c. In some species, a sudden mutation caused by environmental factors can arise. Future generations of such organisms then inherit this newly induced feature in certain species members.