These studies can be extended, using genetic and molecular screens, to identify genes required for the construction of a synapse.

When the genes required to produce hydrogen peroxide were disabled, white blood cells did not accumulate at the site of damage.

Over time, genes not required by their parasitism were lost.

Cepko's laboratory has identified several genes required for retinal development.

This helped identify genes required for vision and pigmentation.

Even then, many people lack the genes required for such remarkable management of face and eye.

In order to create a new organism a scientist must determine the minimal set of genes required for metabolism and replication.

Researchers at the University of Minnesota have discovered a gene required to maintain male gender throughout life.

This year, her group identified the gene required for making the molecule, the steps in its production and the structure of the molecule itself.

He estimates that only 30 percent to 40 percent of the population carries the genes required for obesity.