What is the Difference Between Interchromosomal and Intrachromosomal Recombination?
🆚 Go to Comparative Table 🆚The main difference between interchromosomal and intrachromosomal recombination lies in the location of the genetic material being exchanged.
Interchromosomal recombination occurs between genes located on different chromosomes. As a result, genes in this situation are always unlinked, meaning they segregate independently during meiosis. This type of recombination is also known as homologous recombination.
Intrachromosomal recombination occurs between genes located on the same chromosome. In this case, genes can be linked, meaning they do not segregate independently during meiosis. Intrachromosomal recombination is often the result of crossovers between loci on the same chromosome. This type of recombination is also known as non-homologous recombination.
Both interchromosomal and intrachromosomal recombination contribute to genetic variation and play a role in the process of meiosis. However, they differ in the locations of the genetic material being exchanged and the resulting linkage or lack thereof between genes.
Comparative Table: Interchromosomal vs Intrachromosomal Recombination
Here is a table comparing interchromosomal and intrachromosomal recombination:
Feature | Interchromosomal Recombination | Intrachromosomal Recombination |
---|---|---|
Definition | A type of genetic recombination where the sequences of nucleotides are exchanged between two different chromosomes. | A type of genetic recombination where the sequences of nucleotides are exchanged within the same chromosome. |
Occurrence | Occurs between genes of different chromosomes. | Occurs between genes of the same chromosome. |
Synonyms | Homologous recombination. | Non-homologous recombination. |
Both interchromosomal and intrachromosomal recombination actively involve the accurate repair of double-strand breaks (DSBs) in DNA. These processes contribute to genetic variation and are essential for proper chromosome segregation during meiosis.
- Homologous Recombination vs Non-homologous Recombination
- Recombination vs Crossing Over
- Chromosomal DNA vs Extrachromosomal DNA
- Linkage vs Recombination
- Homologous vs Homeologous Chromosomes
- Complementation vs Recombination
- Homologous Recombination vs Site-Specific Recombination
- Mutation vs Recombination
- Parental Type vs Recombinant Type Chromosomes
- Interspecific vs Intraspecific Hybridization
- Interphase Chromatin vs Mitotic Chromosomes
- Plasmid DNA vs Chromosomal DNA
- Chromatin vs Chromosomes
- Point Mutation vs Chromosomal Mutation
- Homologous Chromosomes vs Sister Chromatids
- DNA vs Chromosome
- Gene Mutation vs Chromosome Mutation
- Chromosome vs Chromatid
- Crossover Frequency vs Recombination Frequency