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Meiosis

TermDefinition
meiosis a type of cell division that results in four daughter cells each with half the number of chromosomes of the parent cell, as in the production of gametes
gene (in informal use) a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring.
homologous chromosomes Homologous chromosomes are chromosome pairs of approximately the same length, centromere position, and staining pattern, with genes for the same characteristics at corresponding loci. One homologous chromosome is inherited from the organism's mother; the
sister chromitids Either of the two chromatids of any of the paired (homologous) chromosomes.
gametes Gametes are reproductive cells that unite during sexual reproduction to form a new cell called a zygote. In humans, male gametes are sperm and female gametes are ova (eggs). Sperm are motile and have a long, tail-like projection called a flagellum. Ova ho
somatic cell any cell of a living organism other than the reproductive cells.
diploid (of a cell or nucleus) containing two complete sets of chromosomes, one from each parent
haploid (of a cell or nucleus) having a single set of unpaired chromosomes.
tetrad a group or set of four
chiasmata a point at which paired chromosomes remain in contact during the first metaphase of meiosis, and at which crossing over and exchange of genetic material occur between the strands
recombination the process of recombining things.
Created by: Ashlee Coley
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