The founder effect is an extreme example of "genetic drift." Genes occurring at a certain frequency in the larger population will occur at a different frequency -- more or less often -- in a ...

A species with a broad distribution rarely has the same genetic makeup over its entire range. For example, individuals in a population living at one end of the range may live at a higher altitude ...

A second example of how chemical environments affect gene expression is the case of supplemental oxygen administration causing blindness in premature infants (Silverman, 2004). In the 1940s ...

Christie is a seasoned science journalist and cell and molecular biology PhD; her debut book Venomous: How Earth’s Deadliest Creatures Mastered Biochemistry, received widespread acclaim. She was a ...

Researchers hope the AI tool will aid in the development of cell-specific gene therapies to treat diseases such as cancer.