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JIPMER 2014
Exam
JIPMER
Year
2014
Subject
Zoology
Chapter
Principles of Inheritance and Variation

JIPMER 2014 · Zoology · Principles of Inheritance and Variation

Two genes R and y are located very close on the chromosome linkage...

Two genes RR and yy are located very close on the chromosome linkage map on maize plant. When RRYY and rryy genotypes are hybridised, then F2\mathrm{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 3:13: 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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