NEET - 2007
Two plants can be conclusively said to belong to the same species if they:
(1) can reproduce freely with each other and form viable seeds
(2) have more than 90 percent similar genes
(3) look similar and possess identical secondary metabolites
(4) have same number of chromosomes
Audio Explanation:
(1) Group of organisms capable of interbreeding and producing fertile offsprings but reproductively isolated from other such group is called species.
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