A cross is made between two true breeding lines of pea plants with three differe

Question

 A cross is made between two true breeding lines of pea plants with three different traits. The traits are seed shape, seed color and pod shape. For the three genes smooth (S) is dominant to wrinkled (s), yellow (Y) is dominant to green (y) and full (F) is dominant to constricted (f). In the P generation plants homozygous for the dominant alleles is crossed to plants homozygous for the recessive alleles. 

 a. What is the phenotype of the F1? b. What is the genotype of the F1? c. How many phenotypes will be present in the F2? d. Give the phenotypinc ratio. 

Explanation / Answer

phenotype of the F1= smooth, yellow. full b. genotype of the F1== Ss Yy Ff c. phenotypes will be present in the F2=8 d. phenotypinc ratio=27:9:9:9:3:3:3:1

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