Examlex
The more you know, the harder it becomes to add new information to long-term memory.
Somatic Mutations
Genetic alterations acquired by a cell that can be passed to the progeny of the mutated cell but not to an individual's offspring.
HbS Allele
A variant of the hemoglobin gene responsible for sickle-cell disease, offering protection against malaria where prevalent.
Sickle-cell Anemia
A genetic blood disorder characterized by red blood cells that assume an abnormal, rigid, sickle shape.
Heterozygote Advantage
A genetic phenomenon where individuals heterozygous at a particular gene locus have a higher fitness than either of the homozygous forms.
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