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In pea plants let symbol Y represent dominant yellow symbol y, the recessive green; symbol R the round  seed shape and symbol r, the wrinkle seed shape. A typical Mendelian dihybrid cross  was carried out in pea plants. Write the genotypes of :

(a) Homozygous dominant and recessive parents. 

(b) Gametes produced by both the parents. 

(c) F1 offspring. 

(d) Gametes produced by F1 offspring.

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(a) Genotype of 

(i) Homozygous dominant parent    - YYRR.

(ii) Homozygous recessive Parent - yyrr 

(b) Gametes produced by both the parents 

(i) YR and 

(ii) Yr 

(c) F1 offsprings. 

 Phenotype  - all seeds yellow round and Heterozygous 

Genotype - YYRr. 

(d) Gametes produced by F1 offsprings

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