Answer:
The other two, the generative nuclei, can be thought of as non motile sperm cells. After reaching an ovule and breaking out of the pollen tube tip, one generative nucleus unites with the egg cell to form a diploid zygote.
Step-by-step explanation:
This means that;
The fertilized egg with two complete sets of chromosomes, one from each parent. The zygote undergoes a limited number of divisions and gives rise to an embryo.