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NEET2014ZoologyPrinciples of Inheritance and VariationActual

Two genes R and y are located very close on the chromosome linkage map on maize plant. When RRYY and rryy genotypes are hybridised, then F ₂ segregation will show

Options

  1. Ahigher number of the recombinant types
  2. BSegregation with expected 9:3:3:1 ratio
  3. CSegeragation is 3: 1 ratio
  4. Dhigher number of the parental types

Correct answer

D. higher number of the parental types

Step-by-step solution

Law of independent assortment does not applicable when the gene of different character occupy on the same homologous chromosomes, i.e., linked genes.

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