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Primary source of allelic variation is:

  1. A
    independent assortment
  2. B
    recombination
  3. C
    mutation
  4. D
    polyploidy.

Solution & Step-by-step Explanation

Mutation is the ultimate source of all genetic variation. It involves changes in the DNA sequence that create new alleles. Independent assortment and recombination redistribute existing alleles but do not create new ones.

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Primary source of allelic variation is:
A
independent assortment
B
recombination
C
mutation
D
polyploidy.

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