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Cell Division Bio

Biology Final Review Vocabulary

QuestionAnswer
A Large molecule that stores hereditary (genetic) information. found in the nucleus of a cell controls cell division and it controls cell division DNA
Many Strands of DNA Wound together into threadlike Structures Chromosomes
Cell Division. Two daughter cells with an exact same genetic material (DNA) are produced. Mitosis
A Cell that is dividing into two new cells Cell Division
The new Cells created from cell division. These cells have the same number of chromosomes as their parent cells Daughter Cells
(IPMAT) The Different Stages of Mitosis Interphase, Prophase, Metaphase, Anaphase, Telophase
Preperation stage before Mitosis Where the cell grows and duplicates materials Longest stage of the Cell Cycle Copies chromosomes Organelles double. Interphase
The First phase of Mitosis where DNA winds into chromosomes Prophase
Chromosomes line up along the middle of the cell Metaphase
Chromosomes are "pulled" apart! Moving to opposite sides of the cell Anaphase
"ending" phase of Mitosis two new cells form Telophase
4 chromosomes are at the Start, Chromosomes double into 2 strands (8), 4 chromosomes in each new cell at end Results of Mitosis
Mitosis as a form of asexual reproduction Single Cell Organisms
Mitosis in repair and replacement of body cells (hair, skin, etc) Multicelluar Organism
will stop dividing when they come in contact with other cells Normal Cells
disease where cells do not stop dividing and ignore signals from other cells Cancer
Reproduction involving one parent organism. Offspring are identical and contain the same amout of genetic material as parents Asexual Organism
Reproduction involving two parents. Sexual Reproduction
type of cell division used to produce games (sex cells); cells are made with half the number of chromosomes of regular cells 23 chromosomes in both egg and sperm; chromosomes are rearranged for genetic variability Meiosis
a pair of chromosomes with size, shape, etc. Homologous Chromosomes
body cells that contain two sets of Chromosomes Diploid
gamete (sex) cells which contain only one set of chromosomes ex: sperm/egg cells Haploid
produces four sperm cells which are all functional Meiosis in Males
produces four egg cells. Only one is functional Meiosis in Females
Swapping pieces of Chromosomes Crossing Over
DNA is unwound as Chromatin; DNA duplicates Interphase I
chromosomes become visible and double stranded;homologous chromosomes pair up Prophase I
pairs of homologous chromosomes lineup in the middle of the cell Metaphase I
homologous chromosomes separate (not into single-stranded chromosomes or chromatids) Anaphase I
two haploid daughter cells are formed. nuclear membrane returns. Telophase I
two haploid daughter cells now enter meiosis II; cell has completely divided and chromosomes are separated Prophase II
Chromosomes (non-homologous) line up in the middle of each cell Metaphase II
double stranded chromosomes split into single-stranded chromosomes (chromatids) Anaphase II
four haploid cells are formed each with single stranded chromosomes (chromatids) Telophase II
Created by: morganjade
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