Unit 5 Flashcards
interphase
2n-diploid
- centrosome & chromosome
- DNA is copied
prophase
2n - diploid
- the chromosomes pair up
metaphase
2n - diploid
- chromosomes line up at equator
- & there’s a mitotic spindle
anaphase
2n - diploid
- sister chromatids pulled apart
telophase & cytokinesis
2n - diploid
cell punches in the middle & two identical daughter cells are formed
interphase
n-haploid 2n - diploid
- centrosome & chromosomes are
- DNA is copied
prophase 1
n - haploid 2n- diploid
chromosomes pair up
recombination occurs
metaphase 1
n - haploid 2n - diploid
- chromosomes line up at equator
- msiotic spindle
anaphase 1
n- haploid 2n - diploid
chromosomes are pulled apart
telophase 1 and cytokinesis
n - haploid 2n - diploid
cell pinches in the middle
prophase 2
n-haploid 2n - diploid
two daughter cells
metaphase 2
n- haploid 2n - diploid
chromosomes line up at equator
anaphase 2
n-haploid 2n diploid
- sister chromatids pulled apart
telophase 2 and cytokinesis
n-haploid 2n diploid
- cell pinches in the middle
- four granddaughter cells
what is passed onto daughter cells?
Organelles, cell membrane, cytoplasm, enzymes, and the exact copy of genetic material which equals DNA
g1 phase
- cell doing its everyday job
- cell grows
G0 phase
- the cell is an extending g1 phase
- the cell is neither dividing nor preparing to divide
S phase synthesis (4)
- synthesis phase during interphase
- dividing cell replicates DNA
- MUST separate DNA copies correctly to 2 daughter cells
- each daughter cell get a completely identical copy
G2 phase
- prepares for cell division
- cells grow (more)
- produces organelles, proteins, and membranes
What are g1, S, and g2 collectively called?
interphase
G0 phase is also known as
- a non-dividing working state
g1/ S checkpoint
can DNA synthesis begin?
g2 / M checkpoint
- has DNA synthesis been completed correctly
- commitment to mitosis
spindle checkpoint
- are all chromosomes attached to a spindle
- can sister chromatids separate correctly?
