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chiasma

UK
/kaɪˈæzmə/
US
/kaɪˈæzmə/

Translations

chiasmanoun
chiasmata
pl
UK
/kaɪˈæzmə/
US
/kaɪˈæzmə/
The chiasma is a crucial structure in the process of genetic recombination.
Хиазма является важной структурой в процессе генетической рекомбинации.
Synonyms
crossing
intersection
cross
X-shaped structure

Definitions

chiasmanoun
A point at which paired chromosomes remain in contact during the first metaphase of meiosis, and at which crossing over and exchange of genetic material occur between the strands.
The chiasma is crucial for genetic diversity as it allows for the exchange of genetic material between homologous chromosomes.
The crossing of optic nerves in the brain, where the optic nerves from each eye partially cross over to the opposite side of the brain.
The optic chiasma is an essential structure for binocular vision, allowing the brain to process visual information from both eyes.
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