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Name ________________________________________________ Date ___________________ Reproduction and Development Questions 1. What are the primary functions of the male reproductive system? ______________________ ______________________________________________________________________________ 2. How does the location of the scrotum affect sperm? __________________________________ ______________________________________________________________________________ 3. Where does meiosis occur in the male reproductive system? ___________________________ Order the steps in the formation and transportation of sperm from 1 to 6. ____________4. Mature sperm enter the vas deferens. ____________5. Newly formed haploid sperm cells pass through a series of coiled ducts to the epididymis. ____________6. Sperm leave the body via the urethra. ____________7. Sperm mature in the epididymis. ____________8. Cells lining tubules in the testes undergo meiosis. ____________9. Sperm travel along the ejaculatory ducts and into the urethra. 10. Name the four hormones responsible for controlling the monthly menstrual cycle, where they are produced and their role in the cycle Hormone Produced Function Label the diagram. Use these choices: ovary, implantation, blastocyst, ovulation, fertilization, uterus, zygote, vagina, oviduct. Fertilization occurs in ___________________________ At what stage of development is an egg when it leaves the ovary? ___________________________ What are the small haploid cells are produced during oogenesis called? ____________________ Name the tubules inside the testes where the male gametes are produced. _________________ _________________________. When the male gamete leaves the testes, it is called a ___________________. When it is fully developed it is then called a __________________. Describe the path taken by the sperm to reach an egg for fertilization ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ Identify the structures in each diagram and give one function of each Letter A. B C D E F G H I . J K Name Function In the diagram below, label the blastula, egg, gastrula, sperm, zygote and point of fertilization. Name two structures that form from the: 23. ectoderm ___________________________ _________________________________ 24. endoderm ___________________________ _________________________________ 25. mesoderm ___________________________ _________________________________ Use each of the terms below just once to complete the passage. amnion blastocyst chorion chorionic villi cleavage mitosis oviduct placenta umbilical cord zygote embryo implants Usually in the upper part of a(n) __________________________, an egg and one sperm unite to form a(n) __________________________.This single cell divides through a process called _________________________ (a form of _____________ without growth) repeatedly to form a(n)______________________, which __________________________in the uterine wall. Part of the blastocyst becomes the __________________________,which is surrounded by a fluidfilled, membranous sac called the __________________________. The embryo is connected to the wall of the uterus by its __________________________.The amniotic sac is enclosed by the __________________________, which also forms attachment structures called the __________________________. Nutrients and oxygen from the mother and wastes from the embryo are exchanged in the __________________________. Mitosis Number of cell divisions Is DNA identical? Used for making? Makes diploid or haploid cells? Crossing over occurs? Sister chromatids are separated in which phase? Increases genetic variety? Homologous chromosomes pair up? Meiosis