In order to determine whether variations of a character in a population were genetically controlled,the most appropriate procedure will be to

  • A
    Count chromosomes and find out the variations in number in the population
  • B
    Examine $DNA$ and see if the population shows any variation
  • C
    Measure the variations and see if they are continuous or discontinuous
  • D
    Cross individuals of both extremes and see if the offsprings and parents show the range of variations

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