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chromosomes
cell cycle
mitosis
meiosis
miscellaneous
100
sperm and eggs
What are gametes?
100
the phase a cell spends the most time in
What is G1?
100
when chromatids line up at the equator
What is metaphase?
100
when homologous chromosomes separate
What is meiosis 1 or anaphase 1
100
one set of chromosomes
What is haploid?
200
where two chromatids are joined
What is a centromere?
200
cells that rarely if ever divide
what are muscle and nerve cells?
200
when centromeres divide
What is anaphase?
200
random distribution of homologous chromosomes
What is independent assortment?
200
a third chromosomes at the 21st pair in humans
trisomy 21 or Down's Syndrome
300
two identical copies of dna jointed by a centromere
What are chromatids?
300
division of cell cytoplasm
What is cytokinesis?
300
when chromosomes coil up and become visible
What is prophase?
300
3 sources of genetic variation
What are crossing over, independent assortment, and random fertilization?
300
two sets of chromosomes
What is diploid?
400
"colored body"
What is a chromosome?
400
the point in the cell cycle at which dna synthesis is examined for errors
What is the dna synthesis(G2) checkpoint?
400
organizes the formation of the spindle
What is the centrosome?
400
when crossing over occurs
What is prophase 1or meiosis 1?
400
number of human autosomes in most cells
What is 44?
500
chromosomes that are similar in size, shape and genetic content?
What are homologous chromosomes?
500
mitosis out of control
What is cancer?
500
when the nuclear envelope forms in mitosis
What is telophase?
500
when homologous chromosomes exchange dna
What is crossing over?
500
the part of the placenta used to sample fetal cells
What is the chorion?