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G1 phase cell growth happens here
s phase dna is replicated
G1, S, G2 interphase
G2 phase preparation for mitosis
checkpoint checks for damage. ensures cells are healthy if the cell is damaged apoptosis occurs. apoptosis failure leads to tumors and tumors mean cancer.
nondisjunction the failure of homologous chromosomes or sister chromatids to separate properly during cell division
diploids a cell that has paired chromosomes , one from each parent. ONLY SOMATIC CELLS not sex/germ cells. (46 chromosomes)
haploid (half of what they should be) germ cells (gametes) (egg and sperm cells ) only 23 chromosomes .
homologous chromosomes chromosome pairs , one from each parent , that are similar in length , gene position and centromere position.(sister chromatids)
cell differentiations the process when a cell develops into a specific type of cell by dna
somatic cells (used for growth repair) any cell forming the body of an organism ; except for sex cells.
germ cells
Created by: kiyanna