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Cell Continuity - chapter 11

Terms in this set (21)

Anaphase
Stage of mitosis where spindle fibres contract pulling sister chromatids to opposite sides of the cell.
Cancer
loss of control over the rate of mitosis resulting in the multiplication of abnormal cells
Cell continuity
The way in which cells arise from other cells in order to grow and survive from one generation to the next.
Gamete
Sex cell
Cell Cycle
The period of time during which a cell divides, replicates its DNA, makes proteins and begins dividing again.
Diploid
A cell containing two sets of chromosomes, represented by (2n).
Haploid
A cell containing one set of chromosomes, represented by the letter (n).
Telophase
the final stage of mitosis when the chromosomes move toward opposite ends of the nuclear spindle and the cell divides into two new cells
Homologous chromosomes
Chromosome pairs that carry the same genes coding for the same traits
Meiosis
Form of cell division where one cell divides into four with each new daughter cell containing half the number of chromosomes as the parent cell.
Metaphase
Stage of mitosis where sister chromatids line up along the equator of the cell.
Mitosis
Fom of cell division where one cell divides in two with each new daughter cell containing the same number of chromosomes as the parent cell.
Prophase
Stage of mitosis where chromatin shorten and can be seen as individual chromosomes.
Interphase
Period of cell cycle when cell is growing and dna is replicated
Cytokinesis
division of the cytoplasm to form two separate daughter cells
Carcinogen
A cancer-causing substance
DNA replication
Making an exact copy of the strand of DNA before the cell can divide
Chromosome
Strand of DNA wrapped around proteins
Function of meiosis
produce haploid gametes
Function of mitosis in multicellular organisms
Growth and repair of cells
Function of mitosis in unicellular organisms
asexual reproduction
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