DO NOW-INTORODUCTION TO MEIOSIS
1. If we already have a mitotic cell division, what is the purpose of meiosis?
2. What are two characteristics for somatic cells and what are two characteristics of
gametes?
3. What are two other names for gametes?
4. What are homologous chromosomes?
5. What are alleles?
6. How many of a pair of homologous chromosomes do we inherit from one parent?
7. What is the difference between sex chromosomes and autosomes?
8. How many autosomes does a human somatic cell have?
9. How many pair of autosomes does a human somatic cell have?
10. How many pair of sex chromosomes does a human somatic cell have?
11. How many sex chromosomes does a human somatic cell have?
12. How many pair of autosomes does a human sex cell have?
13. How many pair of sex chromosomes does a human sex cell have?
14. How many autosomes does a human sex cell have?
15. How many sex chromosomes does a human sex cell have?
16. What sex is chromosome pair XY?
17. What sex is chromosome pair XX?
18. What number pair of chromosomes are the sex chromosomes?
19. What is the difference between diploid cells and haploid cells?
20. Are sex cells diploid or haploid?
21. Are somatic cells diploid or haploid?
22. What is the symbol for haploid and diploid?
23. If a diploid cell has 84 chromosomes, how many chromosomes will be in its gametes
(haploid cell)?
24. If a diploid cell has 24 pairs of chromosomes, how many chromosomes will be in its
gametes (haploid cell)?
25. Where is the only place meiosis takes place?
26. Meiosis result in how many daughter cells?
27. Meiosis results in daughter cells with how many chromosomes compared to parent cell?
28. Are the daughter cells of meiosis identical?
29. Give two reasons meiosis is important
30. You have 23 pairs of chromosomes, How many combinations of 23 chromosomes can
you create by choosing one member of a pair to create your 23 chromosomes?