Chapter 6 Team Tournament Questions 1. Which of the following is the correct order in sexual reproduction? A. meiosis, gamete, fertilization, embryo B. gamete, meiosis, fertilization, embryo C. fertilization, meiosis, gamete, embryo D. gamete, fertilization, meiosis, embryo 2. Mitosis is similar to meiosis II because A. in both processes, the number of chromosomes is doubled B. in both processes, identical daughter cells are produced C. in both processes, sister chromatids separate and move to opposite poles D. in both processes, homologous chromosomes separate and move to opposite poles 3. Which of the following events occurs in mitosis only? A. produces genetically different cells B. produces haploid cells C. cells divide two times D. produces genetically identical cells 4. Gamete formation in males is different than in females because A. in males, meiosis begins before birth and stops until puberty B. in males, meiosis II occurs before meiosis I C. in males, there is equal distribution of cytoplasm into four cells D. in males, there is unequal distribution of cytoplasm into four cells 5. The difference between gene mutations and chromosomal mutations is that A. a single gene mutation can affect many genes in the chromosomes B. gene mutations are the result of mutagens such as radiation C. chromosomal mutations affect the sequence of the bases D. chromosomal mutations can affect many genes in the chromosomes 6. A mutation that would be inherited must occur in a A. skin cell B. egg cell C. muscle cell D. cancer cell 7. Cow body cells have 60 chromosomes. How many chromosomes will be in a sperm cell following meiosis II? A. 30 B. 60 C. 120 D. 15 8. In the gastrula, cells in the mesoderm layer will become A. kidneys B. skin C. lungs D. liver 9. What is the main advantage of sexual reproduction? A. Very little energy is required to find a mate. B. Fewer offspring are produced. C. The embryo is protected from dehydration. D. The offspring are genetically different from the parents. 10. The procedure when a single sperm is injected into an egg cell is known as A GIFT B. ICSI C. AI D. IVF 11. In which phase of Meiosis do the chromosomes form a single line at the equator? 12. In which phase of Meiosis do sister chromatids move to opposite poles of the cell? 13. In which phase of Meiosis do homologous chromosomes pair up and sister chromosomes exchange genetic material? 14. In which phase of Meiosis is there once chromosome of the homologous pair in each cell? 15. What are 4 conditions needed for sexual reproduction? 16. Where is pollen produced and stored? 17. What are the specialized cells for reproduction called, what is their ploidy? 18. What is the hollow ball of cells in embryotic development called? 19. What is an advantage of sexual reproduction? 20. What is an advantage of external fertilization? 21. What are the 3 main parts of sexual reproduction? 22. What are the main events that occur during the first trimester? 23. What is differentiation? 24. How many pairs of chromosomes do humans have? 25.Ducks and whales use what type of fertilization? 26. When does weight gain occur in fetal development? 27. What develops in the endoderm> 28. What is the development during the first 8 weeks called? What is the embryo called after this? 29. What is a disadvantage of external fertilization? 30. What is it called when 2 gametes meet at the same time at the same place? Chapter 6 Team Tournament Answers 1. A 2. C 3. D 4. C 5. D 6. B 7. A 8. A 9. D 10. B 11. Metaphase II 12. Anaphase II 13. Prophase I 14. Prophase II 15. Moisture, correct temperature, nutrient and shelter from predators 16. Anther 17. Gametes, N 18. Gastrula 19. Genetic variation 20. Produce many offspring 21. Mating, Fertilization and embryotic development 22. Brain and spinal cord form, fingers and toes form, lung and liver develop and sexual differentiation occurs. 23. Development of organs and body structures from blastula 24. 23 pairs 25. Internal 26. Third trimester 27. Lungs, liver and the lining of the digestive system 28. Embryonic development; fetus 29. Many offspring die due to predators 30. Mating