cell cycle
A cell is leaving the s phase, what phase is beginning?
G2
How many stages are there in mitosis?
5
A duplicated chromosome is shaped like what?
x
Which contains more material: a sperm or an egg?
egg
Most prokaryotes reproduce via what?
binary fission
A cell is leaving the G1 phase, what phase is beginning?
S
In which stage do the chromosomes take on a v shape as they are pulled towards the poles?
Anaphase
diploid because it has 2 of each chromosome
An egg cell is produced through oogenesis, what else is produced (hint: they don't survive very long)?
Polar bodies, (they don't survive long because they keep much less cytoplasm during the divisions than the egg)
What is the end result of binary fission?
2 genetically identical cells
A cell is leaving the G2 phase, what phase is beginning?
Mitosis
In which stage of mitosis does the checkpoint happen?
Metaphase
If a diploid set of human DNA has 46 chromosomes, how many chromosomes are in the same haploid set?
23, so half
What is the goal of Meiosis I?
To duplicate the DNA and separate the homologous chromosome pairs.
Which processes result in two genetically identical cells? (must name at least 2)
mitosis, binary fission, budding
Interphase includes all the phases except which one?
Mitosis
In which stage are the chromosomes linked up in the middle?
Metaphase
What do we call the chromosomes that carry the same genes, but one comes from one parent while the other comes from the other parent?
homologous chromosomes or homologs
At the conclusion of Meiosis I, are the chromosomes still attached to their sister chromatids?
yes
Which processes result in genetic diversity? (must name at least 2)
Meiosis I, Meiosis II, and sexual reproduction.
True or False: a cell in the S phase is in Interphase
True
List the order of the stages of Mitosis
Interphase, Prophase, Metaphase, Anaphase, then Telophase (IPMAT)
In which stages of mitosis are chromosomes not attached to their sister chromatids?
Anaphase and Telophase
What is the goal of Meiosis II?
To separate the sister chromatids.
During the telophase stage of mitosis one elongated cell is divided into 2 new cells. This is either done by a contractile ring or the forming of a cell plate. Which type of cell uses which?
animal cells use contractile rings, plant cells form a cell plate.