Tamilnadu BoardEnglish MediumSTD 12BIO BOTANYPlant Breeding.2 Marks
Question
What are polyploids? Mention its nature.
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Answer
The majority of flowering plants are diploid (2n). The plants which possess more than two sets of a chromosome are called polyploids. Polyploidy often exhibits increased hybrid vigour, increased heterozygosity, increase tolerance to both biotic and abiotic stresses and buffering of deleterious mutations.
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