Note: Figure numbers talk about Sadler, 9th variation. Numbers in tenth variation are one chapter more complicated. For example, Fig. 1.13 in the 9th variation is Fig. 2.13 in the tenth.
1. To spell out the rise from the gonads in men and women.
2. To learn about the growth about the reproductive duct systems.
3. To look at the genetic and control this is certainly hormonal of commitment.
All embryos look morphologically the exact same until about seven days in utero even though the hereditary intercourse associated with embryo is set at fertilization.