True or false: DNA material is duplicated in all three stages of interphase.
False. DNA is duplicated in S phase and G2 as G2 follows S phase. G1 occurs directly after mitosis and DNA material is only x1 the amount (G1 comes before S)
Each half of a duplicated chromosome is called one of these
Sister chromatid
Mitosis creates two daughter cells from one parent cell. What is the ploidy of the parent cell? What is the ploidy of the daughter cells?
This is the sub-phase of interphase where the cell grows and makes more organelles—but does not replicate DNA.
G1
True or false: In anaphase spindle fibers pull the chromosome to opposite poles of the cell.
False. During anaphase the spindle fibres pull the sister chromatids to opposite sides of the cell.
The pinching apart of the cytoplasm in an animal cell creates a ___________ __________, and in a plant cell a _________ ________ is created during cytokinesis.
Cleavage furrow, cell plate
Why do cells divide? (3 reasons)
Growth, repair, and differentiation.
List the three parts of interphase in order.
G1, S, G2
Fill in the blank: __________ _______ attach to the ___________ and chromosomes line up in the middle of the cell during this phase of cell division, _________.
Spindle fibres, centromere, metaphase
A duplicated chromosome contains two sister chromatids. Is the chromosome count or chromatid count used when determining ploidy?
Chromosomes are counted (or centromeres can be counted).