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Choosy Eggs May Pick Sperm for Their Genes, Defying Mendel’s Law
The oldest law of genetics says that gametes combine randomly, but experiments hint that sometimes eggs select sperm actively for their genetic assets.
Solution: ‘Are Genes Selfish or Cooperative?’
Puzzle solvers rediscovered a simple mathematical result of Mendelian genetics and weighed in on a Richard Dawkins metaphor.
Are Genes Selfish or Cooperative?
Can you discover a simple mathematical result of Mendelian genetics that describes how genes interact with each other?
Beating the Odds for Lucky Mutations
If DNA repair makes useful mutations more likely, it could accelerate cells’ adaptations to harsh environments.
Wanted: More Data, the Dirtier the Better
The computational immunologist Purvesh Khatri embraces messy data as a way to capture the messiness of disease. As a result, he’s making elusive genomic discoveries.
A Map of Human History, Hidden in DNA
The computational biologist John Novembre uses our genetic code to rewrite the history of humanity.
Solution: ‘A Ticking Evolutionary Clock’
How to calculate when a gene’s rate of evolution will slow to a crawl.
A Ticking Evolutionary Clock
How quickly will a gene’s rate of evolution slow to a crawl?
Viruses Find a New Way to Hijack Cells
A virus that causes crippling birth defects has been shown to do something else: It changes thousands of messages coming from DNA that control normal cellular activities.