
Class 12 · BiologyWorld
A flock with real genes: breed the deepest beaks and read heritability off the chicks, eat the moths you notice, run a drought until the response runs out of genes, watch stabilising selection tighten the breeders, split a flock across two niches, see luck fix an allele in ten birds, draw eight founders, find the recessive that never leaves, reunite two islands, and chase the bark through the soot years.
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