Turning Points by Kostas Kampourakis

Author:Kostas Kampourakis
Language: eng
Format: epub
ISBN: 9781633883307
Publisher: Prometheus Books
Published: 2018-02-06T05:00:00+00:00

Figure 8.7. Turning points in human development. The birth of each one of us is the outcome of particular critical events during the production of the reproductive cells of our parents, fertilization, cell divisions in the embryo, and subsequently the embryo's implantation. Multiple possible routes begin from the testis because multiple spermatozoa are produced (but only four are shown here). Any of these could have fertilized the ovum and different offspring could have emerged accordingly, but they would not be you. However, the actual events that took place have led to your birth.

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