Balanced translocation
Balanced Translocation
Balanced translocation (pronounced: bal-anced trans-loh-kay-shun) is a type of chromosomal abnormality in which two segments from different chromosomes have swapped places with each other.
Etymology
The term 'balanced translocation' is derived from the Latin words 'balans' meaning 'two scales', 'trans' meaning 'across', and 'locus' meaning 'place'. This refers to the equal exchange of genetic material between two chromosomes.
Definition
In a balanced translocation, there is no genetic material gained or lost in the cell. The individual carrying the balanced translocation is usually healthy, as all the necessary genetic information is still present and functional. However, they may have an increased risk of creating gametes with unbalanced chromosome sets, which can lead to disorders in their offspring.
Related Terms
- Chromosomal Abnormality: A condition in which a person has an abnormal number or arrangement of chromosomes.
- Gametes: The reproductive cells (sperm in males, eggs in females) that carry genetic information to the next generation.
- Genetic Material: The DNA (deoxyribonucleic acid) in a cell, which carries the instructions for the development, functioning, growth, and reproduction of all life forms.
- Unbalanced Translocation: A type of chromosomal abnormality where there is an extra or missing genetic material from a chromosome.
See Also
External links
- Medical encyclopedia article on Balanced translocation
- Wikipedia's article - Balanced translocation
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