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During double fertilization, one sperm fertilizes the egg forming a zygote. what does the second sperm fertilize to form, and what is its ploidy

User Susann
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In a process called double fertilization, one sperm fertilizes the egg, forming the zygote; the other sperm fuses with two polar nuclei in the female gametophyte, forming a triploid (3n) nucleus. The zygote develops into the plant embryo, and the triploid nucleus divides and gives rise to the endosperm.
User Michael Nesterenko
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