Answer to Question #166407 in Genetics for Ravi

Question

One gamet is heterozygous Pp,and another one is homozygous PP . predict the genotype and phenotype of the F1,F2 after the test cross with diagram.

Answer 1

F1 (Pp × PP):

- the genotypic ratio is 50% PP, 25% Pp, and 25% pp;

-the phenotypic ratio is 75% dominant, 25% recessive.

F2 (PP × pp):

- all genotypes are heterozygous;

-all phenotypes are dominant.