Some dioecious species have the xy genotype for male and xx for female. After double fertilization, what would be the genotypes of the embryos and endosperm nuclei?.

During a fierce storm a large number of tall trees on an island are uprooted by the wind and die. most of the trees on the island are now short trees and produce seeds that grow into short trees. what concept is shown in this example? question 5 options: natural selection artificial selection genetic engineering gene splicing