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Download Study Guide – Unit 6 Test: Genetics and DNA Name: Per: 1 2 3 4 5 6
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Study Guide – Unit 6 Test: Genetics and DNA Name: Per: 1 2 3 4 5 6 1. What is the symbol for diploid? 2. What is the symbol for haploid? 3. Define crossing-over. 4. Define incomplete dominance. 5. What did Gregor Mendel use pea plants to study? 6. What do we call Mendel’s factors? 7. What does the principle of dominance state? 8. Crossing two plants with genotypes TT and Tt gives you homozygous or heterozygous offspring? 9. Mendel’s principles of genetics apply to…? 10. During what process is DNA copied? 11. Where is DNA located in eukaryotes? 12. RNA contains what sugar? 13. What is produced during transcription? 14. What do genes contain instructions for? 15. How many chromosomes are shown in a normal human karyotype? 16. The human male has what two chromosomes? The human female? 17. What is a pedigree? What do circles represent? Squares? 18. Define multiple alleles. Give an example of a phenotype that is determined by multiple allele. 19. The failure of chromosomes to separate during meiosis is called…? 20. What is the purpose of gene therapy? 21. What types(s) of RNA is(are) involved in protein synthesis? 22. How many codons are needed to specify three amino acids? 23. Why were all of the offspring tall when Mendel crossed tall plants with short plants? 24. Gametes are produced by what process? 25. What type of cell does meiosis form? 26. Give an example of selective breeding. 27. Bringing together two recessive alleles for a possible genetic defect happens during which process? 28. What is the process of making changes in the DNA code of living organisms? 29. Define karyotype? What does it show? 30. Why is colorblindness more common in males than in females? 31. Has a baby been born without an X chromosome? Why or why not? 32. What is the process of DNA fingerprinting based on? 33. What causes translation to stop?