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Genetics, Meiosis, Mitosis
vocabulary flash cards
9
Biology
10th Grade
01/24/2008

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Term
HOMOLOGOUS
Definition
In a cell, Each chromosome from the male parent has a corresponding chromosome from the female parent
Term
DIPLOID
Definition
"two sets"
A cell that contains two sets of chromosomes (one set donated from each parent). Sometimes represented by the symbol 2N
Term
HAPLOID
Definition
term used to refer to a cell containing only a single set of chromosomes and therefore only a single set of genes
Term
HOMOZYGOUS
Definition
An organism having two identical alleles for a particular trait
Term
ALLELE
Definition
One of a number of different forms of a gene
Term
MEIOSIS
Definition
A two-part cell division process in organisms that sexually reproduce, which results in gametes with one-half the number of chromosomes(haploid) of the parent cell (diploid).
Term
CROSSING-OVER
Definition
Process during which homologous chromosomes exchange portions of their chromatids during meiosis
Term
TETRAD
Definition
Structure containing 4 chromatids that forms during meiosis
Term
PHASES OF MEIOSIS
Definition
Meiosis I (MI):Interphase, Prophase I, Metaphase I, Anaphase I, Telophase I & Cytokinesis METAPHASE II (M2): Prophase II, Metaphase II, Anaphase II, Teolphase II & Cytokinesis
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