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JIPMER2010ZoologyPrinciples of Inheritance and Variation

Chromosome complement with 2 n-1 is called as

Options

  1. Amonosomy
  2. Bnullisomy
  3. Ctrisomy
  4. Dtetrasomy

Correct answer

A. monosomy

Step-by-step solution

Aneuploidy is the deletion or addition of one or a few chromosomes from the original genomes. (i) Monosomy is (2 n-1) , eg, Tuner's syndrome. (ii) Nullisomy is (2 n-2) . (iii) Trisomy is (2 n+1), e g, K l i n e f e l t e r ' s syndrome. (iv) Tetrasomy (2 n+2)

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