BSC 109 Lecture Notes - Lecture 18: Seminiferous Tubule, Male Reproductive System, Female Reproductive System
18 Nov 2016
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Document Summary
Male and female gametes (sex cells) combine their genes to form a zygote (fertilized egg) One gamete has motility: sperm (spermatozoon: parent producing sperm considered male, parent with a y chromosome is male. Gametes produce sperm and nourishment for the developing embryo. Male reproductive system serves to produce sperm and introduce them into the female body. Males have a copulatory organ (penis) for introducing their gametes into the female reproductive tract. Female reproductive system produces eggs, receives sperm, provides for the union of the gametes, harbors the fetus, and nourishes the offspring. Females have a copulatory organ (vagina) for receiving the sperm. Males have to create and deliver the gamete. Female has to create a gamete, receive a male gamete, harbor and nourish. Reproductive system consists of primary and secondary sex organs epmontgomery@crimson. ua. edu. Primary sex organs (gonads: produce gametes (testes or ovaries)
