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Bio I review 8
1. What are tetrads? When are tetrads formed?
2. When are F1 and F2 generations formed?
3. What is reduction division? When does reduction division occur?
4. What is a Punnett square? What is it used for?
5. Define haploid and diploid. What is the purpose of each?
6. Define genotype and phenotype.
7. What is probability?
8. Mendel determined a way to prevent self-pollination or cross-pollination? How?
9. What is the purpose of homologs?
10. What is a hybrid?
11. What is independent assortment?
12. What is the principle of dominance?
13. What is heterozygous? Homozygous? Recessive? Dominant?
14. What is the purpose of a test cross? Give an example of a test cross.
15. What is crossing-over? When does crossing-over occur? Explain how crossing-over produces new combinations
of genes.
16. What is a pedigree chart?
17. What is genetics?
18. Replication of DNA does not occur between meiosis I and meiosis II. Why is the lack of replication important?
19. When two hybrid pea plants with yellow seeds are crossed, what is the resulting genotype ratio?
20. Compare and contrast meiosis and mitosis.