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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