Biology (NTSE/Olympiad)  

7. Heredity & Evolution

Accumulation Of Variations During Reproduction

Accumulation Of Variations During Reproduction
Variation appear during reproduction whether organisms are multiplying asexually or sexually. Each generation provides the next generation with a common basic body design and some subtle changes or variations
The variations accumulate and pass on to more and more individuals with each generation.
The diversity is small in case of asexually reproducing organism as it is caused by only errors of DNA copying mechanism.

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