WorksheetsMitosis and Meiosis
Total questions: 10
Worksheet time: 2mins
A diploid cell has ____ the number chromosomes as a haploid cell.
half
twice
one-fourth
four times
An organism’s traits are determined by the specific combination of inherited _____.
cells
genes
proteins
chromatids
Identical copies of chromatin held together by cohesin at the centromere are called _____.
histones
nucleosome
chromatin
sister chromatids
Chromosomes are duplicated during what stage of the cell cycle?
G1 Phase
S Phase
Prophase
Prometaphase
Which of the following events does not occur during some stages of interphase?
DNA duplication
organelle duplication
increase in cell size
separation of sister chromatids
The mitotic spindles arise from which cell structure?
centromere
centrosome
kinetochore
cleavage furrow
Attachment of the mitotic spindle fibers to the kinetochores is a characteristic of which stage of mitosis?
prophase
prometaphase
metaphase
anaphase
Unpacking of chromosomes and the formation of a new nuclear envelope is a characteristic of which stage of mitosis?
prometaphase
metaphase
anaphase
telophase
Separation of the sister chromatids is a characteristic of which stage of mitosis?
prometaphase
metaphase
anaphase
telophase
Which of the following is the correct order of events in mitosis?
Sister chromatids line up at the metaphase plate. The kinetochore becomes attached to the mitotic spindle. The nucleus reforms and the cell divides. Cohesin proteins break down and the sister chromatids separate.
The kinetochore becomes attached to the mitotic spindle. Cohesin proteins break down and the sister chromatids separate. Sister chromatids line up at the metaphase plate. The nucleus reforms and the cell divides.
The kinetochore becomes attached to the cohesin proteins. Sister chromatids line up at the metaphase plate. The kinetochore breaks down and the sister chromatids separate. The nucleus reforms and the cell divides.
The kinetochore becomes attached to the mitotic spindle. Sister chromatids line up at the metaphase plate. Cohesin proteins break down and the sister chromatids separate. The nucleus reforms and the cell divides.
