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In human females, meiosis-II is not completed until?

  • puberty

  • fertilization

  • uterine implantation

  • birth

Answer

B.

fertilization

In human females, meiosis-II is not completed until fertilisation. Secondary oocyte is arrested in metaphase-II stage until sperm cell contacts plasma membrane of the oocyte and completes meiosis II resulting in release of ovum. 

In human females, meiosis-II is not completed until fertilisation. Secondary oocyte is arrested in metaphase-II stage until sperm cell contacts plasma membrane of the oocyte and completes meiosis II resulting in release of ovum.