Chapter 8

Mitosis and cytoplasmic division function in ________. a. asexual reproduction of single-celled eukaryotes b. growth, tissue repair, often asexual reproduction c. gamete formation in prokaryotes d. both a and b

A duplicated chromosome has ________ chromatid \((s)\) . a. one b. two c. three d. four

The basic unit that structurally organizes a eukaryotic chromosome is the ________. a. supercoil b. bipolar mitotic spindle c. nucleosome d. microfilament

The chromosome number is________. a. the sum of all chromosomes in cells of a given type b. an identifiable feature of each species c. maintained by mitosis d. all of the above

A somatic cell having two of each type of chromosome has a(n)________ chromosome number. a. diploid b. haploid c. tetraploid d. abnormal

Interphase is the part of the cell cycle when ________. a. a cell ceases to function b. a germ cell forms its spindle apparatus c. a cell grows and duplicates its DNA d. mitosis proceeds

After mitosis, the chromosome number of a daughter cell is________ the parent cell’s. a. the same as b one-half c. rearranged compared to d.doubled compared to

Only ________is not a stage of mitosis. a. prophase b. interphase c. metaphase d.anaphase

Match each stage with the events listed. ________metaphase ________prophase ________telophase ________anaphase a. sister chromatids move apart b. chromosomes start to condense c. daughter nuclei form d. all duplicated chromosomes are aligned at the spindle equator