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How many possible genotypic combinations will be produced in the result of self-cross between RrYy?
a) two 
b) four
c) eight           
d) sixteen

d

How many possible phenotypic combinations will be produced in the result of self-cross between RrYy?
a) two 
b) four
c) eight           
d) sixteen

b

Explanation: 9 round yellow, 3 round green, 3 wrinkle yellow and 1 wrinkle green



What will be the phenotype of the offspring having RrYy genotype for seed shape and color?
a) round green            
b) round yellow
c) wrinkle yellow       
d) wrinkle green

b

Explanation: heterozygous for both traits



What will be the phenotype of the offspring having RRYY genotype for seed shape and color?
a) round green            
b) round yellow
c) wrinkle yellow
d) wrinkle green

b

Explanation: homozygous for both traits



What will be the phenotype of the offspring having rrYy genotype for seed shape and color?
a) round green            
b) round yellow
c) wrinkle yellow      
d) wrinkle green

c

What will be the phenotype of the offspring having rryy genotype for seed shape and color?
a) round green            
b) round yellow
c) wrinkle yellow       
d) wrinkle green

d

Explanation: homozygous recessive for both traits



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