Biology, 13.10.2020 20:01 donalyndearingbizz

Which description is correct for both oogenesis and spermatogenesis? The cells have 46 chromosomes until meiosis II is completed.
After meiosis I, the cells have 23 chromosomes.
Part of meiosis I is completed before birth.
The entire process takes about 70 days.

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Which description is correct for both oogenesis and spermatogenesis? The cells have 46 chromosomes...