Genetic diversity/single species show high diversity at genetic level.
Single species show high diversity at genetic level over its distributional range/different varieties grow in different geographical areas/climatic conditions/breeding/mutations.
Detailed Answer :
More than a thousand varieties of mangoes in India represent the genetic diversity because
(i) a single species show high diversity at genetic level over its distributional range.
(ii) different varieties grow in different geographical regions and climatic condition. This is also possible because of breeding and mutations.
