Given below is a schematic diagram showing Mendel's experiment on sweet pea plants with yellow round seeds (YYRR) and green wrinkled seeds (yyrr). 

Give the F2 progeny ratio.

Given below is a schematic diagram showing Mendel's experiment on sweet pea plants with yellow round seeds (YYRR) and green wrinkled seeds (yyrr). 

Name the phenotypes produced in F2 progeny upon self-pollination of F1 progeny.

Given below is a schematic diagram showing Mendel's experiment on sweet pea plants with yellow round seeds (YYRR) and green wrinkled seeds (yyrr).

Name the law deduced by Mendel on the basis of observations.