Q. When yellow round heterozygous pea plants are self fertilized, the frequency of occurrence of RrYY genotype among the offsprings is

 2803  203 KEAMKEAM 2012Principles of Inheritance and Variation Report Error

Solution:

Yellow round heterozygous pea plant may be represented by genotype RrYy. On selfing such plants following results will be obtained.
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Hence, total 16 genotypes will be obtained in the next generation out of which the frequency of occurrence of RrYY genotype is 2, as illustrated by the table above.