Related topics: genes · genetic variation

Why some of Darwin's finch nestlings have yellow beaks

Carotenoids are the underlying pigment for much of the enormous variety of color found across birds and form the basis for the colors red, yellow and orange. In a study published in Current Biology, researchers from Uppsala ...

Black and white anglerfish hybridise producing viable descendants

Black and white anglerfish have always been considered to be two separate species. Morphologically, they are mainly distinguished on the basis of the color of the peritoneum, the epithelium lining the intestinal cavity (black ...

Differentiating strong antibiotic producers from weaker ones

An untapped trove of desirable drug-like molecules is hidden in the genomes of Streptomyces bacteria—the same bacteria responsible for the first bacterial antibiotics to treat tuberculosis back in the 1940s.

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