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Right now, stood where I am on the worn stone steps looking down into the darkness of the crypt
at St. Mary, Lastingham in Yorkshire,
you could say that this is the loneliest place on earth
-- Andy Marshall
digest.andymarshall.co/andy-ma

@jby@ecoevo.social
2026-01-07 14:17:01

Modeling the joint effects of genetic drift, mutation, and selection on loci that contribute to disease risk suggests that variation at many such loci is shaped more by their pleiotropic effects on non-disease traits than by their contribution to disease risk
doi.org/10.1093/genetics/iyaf2

Breathless, I make it to the sweet spot and turn to face the monument.
Before I can fix the camera to the tripod, the scene before me stops me completely.
I’ve reached the monument not only at the edge of sunrise, but on the brink of the metaphysical
- as if I am the final piece in a vast jigsaw;
I, myself, a conduit that draws together time, space, history, light, and landscape.
In their coalescing, for the briefest of moments, I glimpse the sacred
and ga…

@jby@ecoevo.social
2025-11-06 16:54:05

Cuckoo eggs match the eggs of their adoptive hosts thanks to (mostly) loci inherited from their mothers, who put them there — impressive multifaceted genomic study #science

Fig 2 from the linked paper, captioned: Fig. 2. Matrilineal variation is associated with egg diversification in C. canorus. (A) Matrilineal W chromosome phylogeny (n = 60 canorus, 27 optatus), with corresponding autosomal groups (A), geographic groups (G), and egg morphs indicated below each tip, each representing an unrelated female with known egg morph. Diamonds indicate node support exceeding 95% (SHaLRT). (B) Phenotypic variation within canorus (ECC) and optatus (ECO) egg morphs. (C) Variat…