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Chromosomal Basis of Inheritance. — BIO BOTANY STD 12 — Question

Tamilnadu BoardEnglish MediumSTD 12BIO BOTANYChromosomal Basis of Inheritance.5 Marks
Question
List out the significance of ploidy.
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Answer

  1. Many polyploids are more vigorous and more adaptable than diploids.
  2. Many ornamental plants are autotetraploids and have larger flowers and longer flowering duration than diploids.
  3. Autopolyploids usually have increase in fresh weight due to more water content.
  4. Aneuploids are useful to determine the phenotypic effects of loss or gain of different chromosomes.

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