Question

what is sperm and zygote ​

Answer 1

here is your answer

In sperm fertilization , a released ovum (a haploid secondary oocyte with replicate chromosome copies ) and a haploid sperm ( male gamete) - combine to form a single 2 n diploid cell called Zygote ..

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Answer 2

sperm=male gamete
zygote =Form by the fusion of male and female gamete.

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