Exit Ticket --- Biology B Name __________________ Hour ____ Answer the following questions as completely as you can. 1. Give and explain two (2) reasons for Meiosis? 2. What stage are both cells to the right in? _______________ 3. Which cell (A or B) is undergoing meiosis? _______________ 4. Explain why you chose the answer you did in #2. 5. Do all cells undergo meiosis? Explain your answer. 6. Look at the two X’s to the right and name each letter a. _____________ b.______________c._____________d.______________ 7. If an organism’s Diploid # is 26, what is its Haploid #? ________ 8. Show crossing-over below. When in meiosis does this happen? __________________ 9. State if the cell is haploid or diploid Sperm cell _____ Nerve cell _____Egg cell______Germ cell = ______Broccoli cell = ______ 10. Match the following stages of meiosis with their description: a) prophase I c) anaphase I e) prophase II g) anaphase II b) metaphase I d) telophase I f) metaphase II h) telophase II ___ homologous chromosomes line up at the equator (middle) of the cell. ___ both daughter cells divide, forming haploid cells. ___ sister chromatids separate and move to either side of the cell ___ sister chromatids line up at the equator (middle) of the cell ___ the cell divides into two daughter cells ___ chromosomes have duplicated forming homologous pairs. ___ homologous chromosomes are pulled apart; one chromosomes goes to either side ___ each cell has one of the homologous chromosomes (chromosomes NOT duplicate)