What does PAR mean in UNCLASSIFIED
PAR (Pseudo Autosomal Regions) are specific regions on human sex chromosomes that exhibit genetic recombination during meiosis in both males and females, similar to autosomes. This phenomenon occurs due to sequence homology between the X and Y chromosomes in these regions.
PAR meaning in Unclassified in Miscellaneous
PAR mostly used in an acronym Unclassified in Category Miscellaneous that means Pseudo Autosomal Regions
Shorthand: PAR,
Full Form: Pseudo Autosomal Regions
For more information of "Pseudo Autosomal Regions", see the section below.
Definition
PARs are defined as genomic regions that are present on both the X and Y chromosomes and undergo recombination during meiosis, leading to the exchange of genetic material between them.
Characteristics
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Location: PARs are located at the ends of the X and Y chromosomes, known as the PAR1 and PAR2 regions.
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Size: PAR1 spans approximately 2.6 million base pairs, while PAR2 is about 300,000 base pairs in size.
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Recombination: The genetic recombination that takes place in PARs allows for the exchange of genetic material between the X and Y chromosomes, contributing to genetic diversity.
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Gene Content: PARs contain genes that are essential for sex determination, such as the SRY gene on the Y chromosome and the RPS4Y gene on the X chromosome.
Final Words: PARs play a crucial role in human genetics by facilitating genetic recombination and ensuring the proper inheritance of sex-linked genes. Understanding the structure and function of PARs is essential for studying sex determination, genetic disorders, and evolutionary processes.
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