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Human Embryonic Development
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Haploid nuclei that fuse during the process of fertilization in mammals are known as ___________.
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A
pronuclei
💡 Explanation:
After the sperm reaches the ovum, it deposits its genetic load, the male pronucleus, into the cytoplasm of the egg. After finally completing the meiotic division that had begun years before, the female pronucleus fuses with the male pronucleus to create the diploid nucleus of the zygote.