Genetics
- Genetics
Male zebrafish sex tool stops fin regeneration
Tiny, spiked structures on the pectoral fins of male zebrafish help them hold females steady while mating. However, the structures produce a protein that seems to hinder the fish’s ability to regenerate fins.
- Health & Medicine
‘Decoding Annie Parker’ portrays hunt for breast cancer genes
Not long ago, most doctors scoffed at the idea of a “cancer gene,” as the new film shows.
- Genetics
Cancer variants found in ‘neglected’ region of genome
Mutations outside of genes associated with disease in study using data from a thousand people.
- Animals
Tiger, lion and domestic cat genes not so different
Genomes of big felines provide insight into their evolution.
- Genetics
Genes for body symmetry may also control handedness
Lefties and righties can thank same genes that put hearts on left side for hand dominance, study of thousands of people’s DNA suggests.
- Animals
For sheep horns, bigger is not better
Trade-offs between studliness and survival keep less endowed sheep in the mix.
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- Genetics
Technique inactivates Down-causing chromosome
Though far from a cure, the advance could eventually lead to gene therapy that alleviates some symptoms.
- Genetics
Killer whales are (at least) two species
Orca genetics highlights distinctions among groups that feed on different prey.
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