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@mahmoud_omar91: وَقُل رَّبِّ أَدْخِلْنِي مُدْخَلَ صِدْقٍ وَأَخْرِجْنِي مُخْرَجَ صِدْقٍ وَاجْعَل لِّي مِن لَّدُنكَ سُلْطَانًا نَّصِيرًا (80) سورة الإسراء #creatorshearchinsight #قرآن_كريم_راحة_نفسية🌷🌻

محمود عبداللّٰه
محمود عبداللّٰه
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Saturday 12 July 2025 13:14:20 GMT
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adelfalcon997
𒆜꧁🌔 جريح الورد 🌖꧁𒆜 :
اللهم امين 👌👌👌
2025-07-12 17:16:24
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user601437622188
👆✌️حفيد النجار✌️👆 :
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2025-07-12 21:05:27
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Contigo todo es más Bonito 🌞❤️😍💋
Contigo todo es más Bonito 🌞❤️😍💋
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Scientists just discovered nature's ultimate genetic overachiever—a tiny, elusive butterfly carrying 229 chromosome pairs that shatters every record in the animal kingdom. The Atlas blue butterfly (Polyommatus atlantica), native to the remote mountain ranges of Morocco and Algeria, has been officially confirmed as possessing the highest chromosome count of any multicellular animal through the first-ever genome sequencing of this species. Published in Current Biology, this groundbreaking research by scientists from the Wellcome Sanger Institute and Barcelona's Institute of Evolutionary Biology reveals an extraordinary genetic puzzle that took 3 million years to create. Lead researcher Charlotte Wright described the significance:
Scientists just discovered nature's ultimate genetic overachiever—a tiny, elusive butterfly carrying 229 chromosome pairs that shatters every record in the animal kingdom. The Atlas blue butterfly (Polyommatus atlantica), native to the remote mountain ranges of Morocco and Algeria, has been officially confirmed as possessing the highest chromosome count of any multicellular animal through the first-ever genome sequencing of this species. Published in Current Biology, this groundbreaking research by scientists from the Wellcome Sanger Institute and Barcelona's Institute of Evolutionary Biology reveals an extraordinary genetic puzzle that took 3 million years to create. Lead researcher Charlotte Wright described the significance: "When we set out to start to understand evolution in butterflies, we knew we had to sequence the most extreme, and somewhat mysterious, Atlas blue butterfly". What makes this discovery remarkable isn't just the sheer number—it's that most butterfly relatives possess only 23-24 chromosome pairs, making the Atlas blue a genetic anomaly with nearly 10 times more chromosomes than its closest cousins. Unlike organisms that gain chromosomes through duplication, the Atlas blue achieved its record through progressive chromosome fragmentation—its original chromosomes systematically broke apart at regions with loosely packed DNA, creating hundreds of smaller chromosomes while preserving all genetic content. This "rapid" evolutionary process occurred over just 3 million years, demonstrating that extreme chromosomal reorganization can be evolutionarily successful rather than detrimental. The research provides crucial insights for cancer biology, since chromosome changes mirror processes seen in human cancer cells. By understanding how the Atlas blue maintains genetic stability despite massive chromosomal fragmentation, scientists may unlock new approaches to cancer treatment. This gold-standard reference genome now enables researchers to compare extreme genomic architectures across species, revealing the evolutionary forces that drive speciation and adaptation. Credit: Meiosis. NIMR, Francis Crick Institute. Source: Wellcome Collection.


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