BIO101
Mitosis
Name ___________________________________
1. Numbers
a. _____ # of chromosomes in a human diploid cell
b. _____ # of chromosomes in a human fertilized egg
c. _____ # of sister chromatids in a human cell after S phase of Interphase
d. _____ # of centriole pairs in a human cell at metaphase
e. _____ # of chromosomes in a human cell nucleus just after telophase and cytokinesis are complete
2. A zebra has 44 chromosomes in the nucleus of a skin cell. How many chromosomes in a zebra sperm?
3. A cell with 10 chromosomes undergoes mitosis and cytokinesis. How many cells are produced and what
is the number of chromosomes in each of the daughter cells?
4. Fill in using one of the word choices in the diagram. You may use a word more than once or not at all.
a. DNA synthesis occurs during ___________________
b. Two cells form during ______________________
c. Consists of 4-5 sub phases ___________________
d. Interphase consists of subphases: _________________, _______________, _______________
e. Sister chromatids form during: ___________________
f. Stage that involves a cleavage furrow ___________________
g. Beginning of cell cycle ___________________
h. Spindle fibers are numerous during ___________________
5. Consult the diagram below. Label the structures a – f on the lines provided below the image
f
b
e
a
c
d
a. ___________________________
b. ___________________________
c. ___________________________
d. ___________________________
e. ___________________________
f. ___________________________
(Do not turn in): Be able to distinguish between:
centromere
centriole centrosome
chromatid
chromatin
chromosome
cleavage
cytokinesis