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Name:__________________________________Period:_____ Due: _____ Genetics Unit Review Any question that is not “fill in the blank” you need to write a complete sentence answer on another sheet of paper (on the back of the packet is fine). 1. What is your plan for studying? Which nights, what times, for how long, which lesson, how will you study? 2. What is heredity? 3. What scientist made important discoveries that allow us to study genetics?_____________ 4. What organism did the scientist in question 4 study?____________________ 5. What are the differences between sexual and asexual reproduction? 6. What is the purpose of meiosis?______________________________________ 7. An elephant normally has 56 chromosomes in its cells. a. How many pairs of chromosomes does an elephant have in its cells?______ b. After mitosis occurs, how many pairs of chromosomes would be in each of the elephant’s body cells?______ c. After meiosis occurs, how many chromosomes would be in each of the elephant’s sex cells. 8. If you are heterozygous for having a Widow’s Peak, what is your genotype?______ 9. Explain why a plant with the genotype Tt is tall instead of medium sized. 10. If yellow seed (Y) is dominant over green seed (y) in pea plants, what is (are) the possible genotypes of a pea plant with yellow seeds? _________________ 11. The ability to roll your tongue is dominant (R) while the inability to roll your tongue is recessive. Make a Punnett square showing the possible offspring from an Rr male and an rr female. Then answer a & b. a. What are the chances of these parents having an offspring with the ability to roll their tongue? ______ % b. If an offspring is unable to roll their tongue, would the genotype be rr? ______ Name:__________________________________Period:_____ Due: _____ Genetics Word Pairs For each pair put a check in the box that best describes the relationship between the two words. Then jot down ideas that justify your choice. Word Pair Homozygous Heterozygous Chromosome Gene Dominant Recessive Mitosis Meiosis Genotype Phenotype Mendel Punnett Heterozygous Hybrid Same Opposite Related
