Genetics
- 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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- Animals
Now-extinct wolf may be ancestor of modern-day dogs
No strong signs of canine ancestry among living grey wolves.
- Plants
Giant genomes felled by DNA sequencing advances
Complete genetic blueprints have been collected for several conifer species.
- Humans
Highlights from the Biology of Genomes meeting
Highlights from the genome biology meeting held May 7-11 in Cold Spring Harbor, N.Y., include an enormous tree's enormous genome, genes for strong-swimming sperm, and back-to-Africa migration some 3,000 years ago.
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