In a Mendelian dihybrid cross, when heterozygous round yellow seeded plants were selfed, round green seeded offspring is represented by the genotypes
RrYy, RrYY, RRYy
Rryy, RRyy, rryy
rrYy, rrYY
Rryy, RRyy
The genotypes of round green pea seeded plants are RR yy and Rr yy in 1 : 2 ratio.