<span>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. b.
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Answer:
before puberty begins
Explanation:
because on your menstrual cycle the blood clots are actually pieces of uterus and that's actually your uterine shedding and it usually starts doing that even before your period begins so it definitely be before puberty begins hope I didn't make the answer to awkward but that's the truth LOL
before division a cell must be copied <span>but with that saying if so the cells would divide and become disfigured cells and not work write in the system i hope it helped</span><span />
Answer:
the paired bases( nitrogenous bases )
