Welcome! The Topic For Today Is…. Quarter 1!

1. Welcome! The Topic For Today Is…. Quarter 1!

2. Your Topic

3. Topic 1: 200 • Question: • What is another name for DNA? • Answer • The double helix or a twisted ladder Back

4. Topic 1: 400 • Question: • What is any change in a gene or chromosome called? • Answer: • A mutation Back

5. Topic 1: 600 • Question: • What is each identical rod in a chromosome called? • Answer • chromatids Back

6. Topic 1: 800 • Question: • 1. What do we call the different forms of a characteristic? • 2. What are the different forms of a trait called? • Answer • Traits; alleles Back

7. Topic 1: 1000 • Question: • What does RNA do during protein synthesis? • Answer: • Copies the coded message from the DNA in the nucleus Back

8. Topic 2: 200 • Question: • What happens during Cytokinesis? • Answer • The cell splits into two new cells Back

9. Topic 2: 400 • Question: • Adenine pairs with what base? • Answer • Thymine Back

10. Topic 2: 600 • Question: • Which Nitrogen base in RNA is NOT part of DNA? • Answer • Uracil Back

11. Topic 2: 800 • Question: • Where is the genetic information stored in a cell? • Answer • The nucleus Back

12. Topic 2: 1000 • Question: • How does natural selection lead to evolution? • Answer • Individuals that are better adapted to their environment will survive and reproduce Back

13. Topic 3: 200 • Question: • Only traits controlled by ____ can be acted on by natural selection. • Answer • genes Back

14. Topic 3: 400 • Question: • A relationship where one species benefits and the other is neither helped nor harmed. • Answer • Commensalism Back

15. Topic 3: 600 • Question: • The role of an organism in it’s habitat. • Answer • niche Back

16. Topic 3: 800 • Question: • A trait that helps an organism survive and reproduce. • Answer • An adaptation Back

17. Topic 3: 1000 • Question: • What determines the Genetic Code? • Answer: • The order of nitrogen bases along a gene. Back

18. Topic 4: 200 • Question: • An organism that has two different alleles for a trait • Answer • Hybrid or heterozygous Back

19. Topic 4: 400 • Question: • An organism that has two identical alleles • Answer • Purebred or homozygous Back

20. Topic 4: 600 • Question: • Observations that deal with a number are? • Answer • Quantitative Back

21. Topic 4: 800 • Question: • An organisms genetic makeup or allele combinations • Answer • genotype Back

22. Topic 4: 1000 • Question: • The regular sequence of growth and division that cells undergo • Answer • The cell cycle Back

23. Topic 5: 200 • Question: • What are the basic units of living things? • Answer • Cells Back

24. Topic 5: 400 • Question: • What did Mendel study? • Answer • The genetic crossing of pea plants Back

25. Topic 5: 600 • Question: • Write out a section of DNA that would pair with: ATACCGA • Answer • TATGGCT Back

26. Topic 5: 800 • Question: • What is the probability of producing short plants from a cross between two hybrid tall plants? • Answer • 25% Back

27. Topic 5: 1000 • Question: • What is the chromosome theory of inheritance? • Answer • Genes are carried from parent to their offspring on chromosomes Back

28. Bonus Question: 5000 pts. • Question: • Describe DNA Replication. • Answer • The DNA strand unwinds, the nitrogen base pairs are split up, and then free nitrogen bases floating in the nucleus pair with up with the broken pairs, creating two identical DNA strands. Back