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Updated: Jun 9, 2026

Single Nucleotide Polymorphism-sensitive FISH Detection of Locus-specific Ribosomal RNA Transcription in Drosophila melanogaster
Published on: March 28, 2025
Strong intra- and inter-continental differentiation revealed by Y chromosome SNPs M269, U106 and U152
Fulvio Cruciani1, Beniamino Trombetta, Cheyenne Antonelli
1Dipartimento di Genetica e Biologia Molecolare, Sapienza Università di Roma, Rome, Italy.
Abstract:
More than 2700 unrelated individuals from Europe, northern Africa and western Asia were analyzed for the marker M269, which defines the Y chromosome haplogroup R1b1b2. A total of 593 subjects belonging to this haplogroup were identified and further analyzed for two SNPs, U106 and U152, which define haplogroups R1b1b2g and R1b1b2h, respectively. These haplogroups showed quite different frequency distribution patterns within Europe, with frequency peaks in northern Europe (R1b1b2g) and northern Italy/France (R1b1b2h).
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