Selection, drift and bias shape bacterial peptide evolution
A 2026 study in two insect-pathogenic bacterial genera found that selection, genetic drift and biased recombination jointly shaped the evolution ...
Tag: genetic drift
Stable chromosomes, shifting centromeres: how East African killifish rewrite karyotype evolution
A new cytogenetic survey of twelve East African annual killifish species reveals stable chromosome counts but dramatic internal rearrangements, pointing ...
New Matrix Method Captures Selection at Genes With Many Alleles
Researchers have developed a matrix-based framework that models and estimates selection at multiallelic loci, capturing regimes such as heterozygote advantage ...
New Algorithm Simulates Gene Frequency Histories Exactly, Even as Populations Change Size
Researchers have unveiled EWF 2.0, an exact simulation algorithm that generates statistically perfect allele frequency trajectories under the Wright–Fisher diffusion ...
Scandinavian Wolves Are Too Inbred to Survive, Landmark Genetic Study Warns
A complete pedigree analysis shows the Scandinavian wolf population's effective size is unsustainably low, challenging the models used to justify ...
Reading the Evolutionary History of Cancer Written in Tumour Genomes
A Nature Reviews Cancer review argues that population genetics offers the mathematical framework needed to turn tumour genome sequencing data ...
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Mothers who receive childcare support from maternal grandparents show more parental warmth, finds NTU Singapore study
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University of Seville Breaks 120-Year-Old Mystery, Revises a Key Einstein Concept
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Bee body mass, pathogens and local climate influence heat tolerance
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Researchers record first-ever images and data of a shark experiencing a boat strike
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Groundbreaking Clinical Trial Reveals Lubiprostone Enhances Kidney Function
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