Nullisomic
Nullisomic
Nullisomic (pronounced: nʌlɪˈsɒmɪk) is a term used in Genetics to describe an organism, typically a plant, that is missing a pair of homologous chromosomes. This condition can lead to various genetic abnormalities and is often used in genetic research to study the function of specific genes.
Etymology
The term "Nullisomic" is derived from the Latin word "nullus" meaning "not any" and the Greek word "soma" meaning "body". It refers to the absence of a chromosome pair in the body (or genome) of the organism.
Related Terms
- Monosomic: An organism that is missing a single chromosome from its normal diploid set.
- Trisomic: An organism that has an extra chromosome, resulting in a total of three of a particular chromosome instead of the normal pair.
- Tetrasomic: An organism that has an extra pair of chromosomes, resulting in a total of four of a particular chromosome instead of the normal pair.
- Polysomic: An organism that has more than two copies of a particular chromosome in its cells.
- Aneuploidy: A condition in which an organism has a number of chromosomes other than an exact multiple of the haploid number.
See Also
External links
- Medical encyclopedia article on Nullisomic
- Wikipedia's article - Nullisomic
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