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

Tamilnadu BoardEnglish MediumSTD 12BIO BOTANYChromosomal Basis of Inheritance.3 Marks
Question
List any three characteristic features of multiple allele.
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Answer

  1. Multiple alleles of a series always occupy the same locus in the homologous chromosome. Therefore, no crossing over occurs within the alleles of a series.
  2. Multiple alleles are always responsible for the same character.
  3. The wild-type alleles of a series exhibit dominant character whereas mutant type will influence dominance or an intermediate phenotypic effect.

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