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  4. In a Mendelian dihybrid cross, when heterozygous round yellow seeded plants were self crossed, round green seeded offsprings are represented by the genotype

Q. In a Mendelian dihybrid cross, when heterozygous round yellow seeded plants were self crossed, round green seeded offsprings are represented by the genotype

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Solution:

In Mendelian dihybrid cross when heterozygous round yellow seeded plants are self-crossed, round green seeded offsprings are represented by RRyy, Rryy genotypes. This is illustrated as given below.
Solution
ry
RY RRYY RRYy RrYY RrYy
Ry RRYy RRyy RrYy Rryy
rY RrYY RrYy rrYY rrYy
ry RrYy Rryy rrYy rryy

Round green genotypes = RRyy, Rryy.