Answer to Question #140726 in Genetics for Casey

Question

If tomato circumference had been the result of Mendelian-type inheritance compared to polygenic inheritance, how many different phenotypes would you have expected in the F1 and F2 generations for each inheritance type? polygenic and Mendelian F1 and F2 phenotypes

Answer 1

In the resulting F2 generation, 3/4 showed the dominant phenotype, and 1/4 showed the recessive phenotype. The F1 generation was all round, and the F2 generation showed a phenotypic ratio of 3:1