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Unit 4 Cell Division

Cell Division Division process by which a cell divides into two new daughter cells
Mitosis part of eukaryotic cell division during which the cell nucleus divides
Chromatids one of two identical “sister” parts of a duplicated chromosome
Centromere area where the chromatids of a chromosome are attached
Cell Cycle series of events that cells go through as they grow and divide
Cancer disorder in which some of the body’s own cells lose the ability to control growth
Homologous used to refer to chromosomes that each have a corresponding chromosome from the opposite-sex parent
Diploid term used to refer to a cell that contains both sets of homologous chromosomes
Haploid term used to refer to a cell that contains only a single set of chromosomes and therefore only a single set of genes
Meiosis process by which the number of chromosomes per cell is cut in half through the separation of homologous chromosomes in a diploid cell
Crossing Over process in which homologous chromosomes exchange portions of their chromatids during meiosis
Synapsis the pairing and physical connection of duplicated homologous chromosomes during prophase 1 of meiosis
Nondisjunction error in meiosis in which homologous chromosomes fail to separate
transformation process in which one strain of bacteria is changed by a gene or genes from another strain of bacteria
bacteriophage virus that infects bacteria
base pairing principle that bonds in DNA can form only between adenine and thymine and between guanine and cytosine
chromatin granular material visible within the nucleus, consists of DNA tightly coiled around proteins
replication copying process by which a cell duplicates its DNA
DNA polymerase enzyme involved in DNA replication that joins individual nucleotides to produce a DNA molecule
apoptosis programmed cell death
Created by: Batterbee