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when does mitosis occur?

during M phase in cell division

mitosis is the division of the cell's...


what are the 4 phases of mitosis?

prophase metaphase anaphase telophase

what are the steps of prophase during mitosis?

chromosomes appear
nuclear envelope disappears
nucleolus disappears
centrioles split and travel to opposite poles of the cell
spindle fibers begin to form

what are the steps of metaphase during mitosis?

spindle fibers attach to the centromere between sister chromatids
chromosomes line up along the mid-line of the cell

what are the steps of anaphase during mitosis?

centromere's split and the sister chromatids are separated
spindle fibers pull individual chromatids toward the poles of the cell

what are the steps of telophase during mitosis?

chromosomes group together and begin to unravel, turing back into chromatin
nuclear envelope begins to reform
nucleolus appears again
cell membrane begins to pinch in

which phase of mitosis takes the longest time?


what phase of mitosis usually occurs at the same time as cytokinesis?


how many chromosomes does a normal human body have?


the cell division process that body cells undergo is called...


what does mitosis produce?

identical (to parent) daughter cells

what are somatic cells?

body cells

what are gamete cells?

sex cells

a cell with two complete sets of chromosomes is called a BLANK cell


a cell with one complete set of chromosomes is called a BLANK cell


what is the process by which the number of chromosomes from generation to generation are kept stable in organisms that are using sexual reproduction?


in meiosis, a diploid cell with produce how many haploid cells?


when are chromosomes replicated?

S phase

are chromosomes replicated before or after meiosis 1 stats?


what do chromosomes do in prophase 1?

pair with homologous chromosomes

what do chromosomes form in prophase 1?

a tetrad

how many chromatids are in a tetrad?


what is it called when tetrads exchange genetic material?

crossing over

in meiosis 2 does replication occur?


how many chromatids does each cell chromosome have in meiosis 2?


how many chromosomes does the final haploid cell contain after meiosis 2?


how many haploid sperm cells do males produce in meiosis?


how many haploid egg cells do women produce during meiosis? why?

1 because of the small amount of cytoplasm generated in cytokinesis

other cells are known as...

polar bodies

chromosomes are visible only during BLANK

cell division

G1, G2, S phase, M phase are all parts of the BLANK

cell cycle

what happens during G1?

cell growth

what happens during G2?

preparation for mitosis

what happens during S phase?

DNA replication

what does the cell do during interphase?


what is the series of events that cells go through as they grow and divide?

cell cycle

during metaphase, the chromosomes line up along the BLANK of the BLANK cell

middle dividing

what do the spindle fibers help do?

separate chromosomes

what are the two main stages of cell division?

mitosis and cytokinesis

during cell division, a parent cell with four chromosomes will produce BLANK

2 daughter cells

the 2 daughter cells produced in cell division with each have BLANK chromosomes


what does N stand for?

represents the number of chromosomes in a gamete

what is the symbol for a diploid?


what is the symbol for a haploid?


a haploid is BLANK the number of a diploid


gametes have one BLANK for each BLANK

allele gene

when are gametes produced?

during meiosis

what is crossing over?

when chromosomes become altered during meiosis

when do chromosomes form tetrads?

during prophase 1 of meiosis

between meiosis 1 and meioses 2, there is no BLANK

DNA replication

meiosis results in the formation of BLANK cells


mitosis results in the formation of BLANK cells


meiosis results in the formation of BLANK genetically BLANK cells

4 different

crossing over rarely occurs in mitosis because BLANK rarely form during mitosis


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