Chromosome

Pronunciation

A structure consisting of DNA and regulatory proteins found in the nucleus of the cell. The DNA in the nucleus is usually divided up among several chromosomes.The number of chromosomes in the nucleus varies depending on the species of the organism. Humans have 46 chromosomes.

Source: Stem Cell Information, NIH, USDHHS

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Chromosomal Translocation Process

Any type of genetic recombination involving exchange of DNA between non-homologous chromosomes, which often occurs as the result of non-homologous end-joining of…

Chromosomal Translocation

A genetic exchange where a piece of one chromosome is transfered to another chromosome.

Chromosomal Rearrangement

Any change in the structure of one or more chromosomes.

Chromosomal Nondisjunction

The failure of the chromosomes to disjoin and move to opposite poles.

Chromosomal Loss

Loss of an entire chromosome or chromosome arm.

Chromosomal Inversion Process

Any type of genetic recombination involving rearrangement of segments of DNA within a single chromosome, such that a segment of the chromosome…