The Australian grass tree, from the genus Xanthorrhoea in the lily family, grows to a height of about 4.5 m, bears long narrow leaves in a tuft at the top of the trunk, and produces yellow or white flowers in a spike above the leaves. A yellow-flowered tree was self-crossed. The seeds were collected and planted. The resulting progeny were 31 yellow-flowered trees and 8 white-flowered trees.

What is the dominant phenotype?


Yellow


Whites

1 answer

white