1. The haploid chromosome number incats is 19 (n=19). Answer the following:

a. How many pairs of homologous chromosomes does a cathave?

b. How many chromosomes are present in a gamete (egg orsperm)?

c. How many chromosomes are present in a zygote?

d. How many chromosomes are present in a cat’s liver cell?

e. What is the process by which gametes are formed?

f. How many cells result from this process?

g. Are they genetically identical or genetically similar?

2. All the events that occur inprophase of mitosis also occur in prophase I of meiosis. However, two additional events occur in prophase Iof meiosis – what are these events? What is the importance ofthese events?

3. Differences between Mitosis and Meiosis. Mark thefollowing statements as true or false.

________ (a) In meiosis fourdaughter cells are produced, whereas in mitosis two daughter cellsare produced.

________(b) Cells produced by meiosis are diploid, whereascells produced by mitosis are haploid.

________(c) In mitosis cytokinesis occurs once, whereas inmeiosis cytokinesis occurs twice.

________(d) In meiosis, two rounds of DNA replication arefollowed by two rounds of cell division

________(e) Tetrads are unique to meiosis

________(f) In Anaphase I of meiosis, sister chromatidsseparate, whereas in Anaphase II, homologous

chromosomes separate.