Get premium membership and access revision papers with marking schemes, video lessons and live classes.
A cross between a red flowered plant and white flowered produced plants with pink flowers. Using letter R to represent the gene for red colour and W for white colour,
(a) What were the parental genotypes
(b) Workout a cross between F1 plants.
(c) Give the:
(i) Phenotypic ratio of F1 plants. (ii) Genotypic ratio of F2 plants.
(d) Name a characteristic in humans, which is controlled by multiple genes.