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New insights in the regulation of genetic information exchange

A study published in Nature Plants reveals that chromosome pairing plays a crucial role in regulating genetic material distribution in plants. Researchers found that the telomeres, specifically located at the ends of chromosomes, are the key players in controlling crossing-over activity, which ensures genetic diversity among offspring.

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Environmental triggers may promote human genetic variation

Researchers found that oxidized nucleobases in human DNA are associated with hotspots of genetic recombination and polymorphism. The distribution of these abnormally placed adenine nucleotides is not random but clustered in chromosomal regions with high meiotic recombination rates.