How is the APoe4 gene variant inherited?
People with a particular gene variant cannot digest milk.
One of these, the researchers think, was a Neanderthal gene variant that increases blood-clotting.
Now, scientists funded with the proceeds have discovered a gene variant associated with the condition.
The gene variant in question, however, is only weakly linked to A.D.H.D.
Similarly, someone says you have tested positive for a gene variant for sporting ability.
Resistant bugs carry a gene variant that allows them to destroy the drug.
But this same gene variant, known as APOE4, also means a higher risk of Alzheimer's disease.
One study of elite sprinters found that 95% of them had this gene variant.
He might not give beta blockers to patients with the gene variant, he says, and he might withdraw the drug from patients with the gene variant if they are having trouble with side effects.
For example, positive feedback results when a particular gene variant is especially successful at increasing its presence in future generations.
