Reason of fast speciation in present-day crop plants is:

Reason of fast speciation in present-day crop plants is:
  1. mutation
  2. isolation
  3. polyploidy
  4. sexual reproduction

Solution

Polyploidy causes fast speciation as it leads to complete reproductive isolation of an individual from other gene pools and it is found in nature due to the failure of chromosomes to separate at the time of anaphase.

Asked in: NEET 2002

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