AP Biology: CHAPTER 13
MEIOSIS AND SEXUAL LIFE CYCLES
1. The key features of the two versions of reproduction.
a. Asexual Reproduction ____________________________________________________
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b. Sexual Reproduction _____________________________________________________
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2. What is the role of meiosis in sexual reproduction?
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3. What is a karyotype?
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4. Identify several things the can be seen with a karyotype?
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5. Label the diagram of the human lifecycle. Include the chromosome numbers.
6. Compare the products of mitosis with meiosis.
a. Mitosis ________________________________________________________________
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b. Meiosis ________________________________________________________________
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7. Meiosis is said to be a double division. Explain.
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8. Meiosis is an important source of variation. Define and describe how each of the following
contributes to variation within a species.
a. Independent Assortment __________________________________________________
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b. Random fertilization ______________________________________________________
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c. Crossing Over __________________________________________________________
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9. Draw a pair of homologous chromosomes and indicate a crossing over event and the products.
10. List the significant differences between mitosis and meiosis.
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11. What is the significance of genetic variation and natural selection?
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