Ch 12 HW Flashcards
1
Q
What is the name of the region on duplicated chromosomes where the sister chromatids are most closely attached to each other?
A
The centromere
2
Q
In a diploid cell with four chromosome pairs (2n = 8), how many sister chromatids will be found in a nucleus at prophase of mitosis?
A
16
3
Q
What is the name of the microtubule-organizing center found in animal cells as an identifiable structure present during all phases of the cell cycle?
A
Centrosome
4
Q
Which of the following occurs during S phase?
- spindle formation
- replication of the DNA
- condensation of the chromosomes
- separation of sister chromatids
A
Replication of the DNA
5
Q
Which of the following statements describes a characteristic feature of metaphase?
- separation of the centromeres
- alignment of chromosomes on the equator of the cell
- cytokinesis
- separation of sister chromatids
A
Alignment of the chromosomes on the equator of the cell
6
Q
A
