Meiosis
How many divisions does meiosis have?
Two
How many divisions does mitosis have?
One
Mitosis and meiosis share the same number of what?
Parent chromosomes
Mitosis occurs in what type of cells?
Somatic cells.
When members of a chromosome pair fail to separate.
What is nondisjunction?
The three reasons cells need to go through mitosis
What is Growth, replace, and repair?
How many parent cells and what type does mitosis have?
What is one, diploid?
Prokaryotes use this to make offspring
What is binary fission?
Meiosis occurs in these two places
What are the testis and ovaries?
Having more than a pair of homologous chromosomes
What is polyploidy?
Chromatids attach here during synapsis
What is the chiasma?
The nuclear envelope begins to reappear during this stage
What is telophase?
The spreading of tumor cells
What is metastasis?
These are found on each sister chromatid and is attached to a microtubule
What are kinetochores?
A segment of a chromosome gets cut out and is put back flipped
What is inversion?
What is crossing over?
This checkpoint makes sure that DNA has replicated properly
What is G2?
The three reasons meiosis helps create genetic diversity.
What is crossing over, independent assortment, and random fertilizations?
Exchange of material between non-homologous chromosomes
What is reciprocal translocation?
The general term when there is an extra copy of a chromosome
What is Trisomy?
This protein stops the cycle at G1 when DNA is damaged
What is p53 protein?
These increase or decrease the rate of the cell cycle
What are cyclins?
A signal from outside the cell that communicates to the cell cycle control system
What is a growth factor?
This is represented by XYY, and higher testosterone levels
What is Jacob's Syndrome?
Klinefelter Syndrome contains this combination of chromosomes
What is XXY?