prophase, metaphase, anaphase, telophase
what are the phases/ stages of mitosis?
G1, S, G2
what are the stages of interphase?
growth, repair, and replacement
what are the reasons cells divide?
the "s" phase
during which phase of the cell cycle is the DNA replicated/ duplicated?
anaphase
in this stage of the cell cycle the sister chromatids are pulled apart and move towards opposite pulls
spindle fibers
what do we call the fibers attached to the centrioles that pull chromatids apart during anaphase?
paclitaxel
what is the cancer treatment drug that targets the tubulin in the spindle, preventing its formation, in effect blocking mitosis
23 pairs
what is the # of chromosomes in a normal human karyotype?
47,XX,+21
what is the proper notation for a female with Down's Syndrome?
somatic cells
all the cells in your body that are not gametes are called...
meiosis I
homologous chromosomes separate during...
gametes (sperm/egg)
the purpose of meiosis is to form...
1 egg, 3 polar bodies
in oogenesis, _______ egg is formed along with 3 ___________
meiosis I, meiosis II
homologous chromosomes separate during meiosis____ while sister chromatids separate during meiosis ____
sperm cell
a human cell contains 22 autosomes and a y chromosome. This is a ______ cell
prophase I
during which stage of meiosis does crossing over occur?
meiosis I
independent assortment of chromosomes occurs during...
randomness
independent assortment of chromosomes is the result of the _____________of life