The basic difference between spermatogenesis and oogenesis is that __________.

O two polar bodies are produced in spermatogenesis
O the mature ovum is haploid and the sperm is diploid
O spermatogenesis involves mitosis and meiosis, but oogenesis involves meiosis only
O one mature ovum is produced in oogenesis, and four mature sperm are produced in spermatogenesis
O the mature ovum is diploid and the sperm is haploid