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20 Cards in this Set

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Gametes
an organisms reproductive cells such as eggs cells, sperm
binary fission
form of asexual reproduction,a single parent passes exact copies of all of its DNA to its offspring
gene
a segment of DNA that codes for a protein or RNA molecule
chromosomes
the DNA and the proteins assiciated with the DNA
Chromatids
the two exact copies of DNA that make up each chromosome
centromere
the point where two chromoatids of a chromosome are attached
Homologous chromosomes
chromosomes that are similar in size, shape,and genetic content
diploid
When a cell such as a somatic cell contains two sets of chromosomes
haploid
when a cell such as a gamete contains one set of chromosomes
zygote
a fertilized egg cell(the first cell of a new individual
Autosomes
chromosomes that are not directly involved in tererming the sex of an individual
sex chromosomes
one of the 23 pairs of chromosomes in humans contain genes that will determine sex of individual
Karyotype
a photo of the chromosomes in a dividing cell that shows the chromosomes arragned by size
cell cycle
a repeating sequence of cellular growth and division during the life of an organism
Cell Cycle
Is a repeating sequence of cellular growth and division during the life of an organism.
Interphase
The first three phases of the cell cycle.
Mitosis
The nucleus of the cell divideds into 2 nuclei.
Cytokinesis
During cell division in wich the ctoplasm divides.
Cancer
The uncontrolled growth of cells.
Spindle
Cell structures made up of centriols and individual microtubule fibers. They are involved in moving chromosomes during cell divison.