Answers

2016-06-30T20:27:16+08:00
It is a mature haploid male or female germ cell that is able to unite with another of the opposite sex in sexual reproduction to form a zygote.
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2016-07-01T17:48:14+08:00
It is a reproductive cells (haploid) that unite together (sperm and egg cell) during sexual reproduction to form a new cell called zygote.
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