Why do all humans have similar features?

They have different alleles.

They have the same number and kinds of chromosomes.

They have identical alleles.

Their genes do not allow for any variation.

What is hydroelectric power produced by?

Were does condensation occur? a) hydroshereb) lithosherec) boishered) atmosphere

Ras is a g-protein that is activated when a growth factor attaches to egfr. its activation results in the replacement of a gdp molecule with a gtp molecule, thus allowing a signal transduction pathway to be activated. considering the signal pathway illustrated on this page, what is one potential outcome of a mutation in the ras gene that leads to ras protein hyperactivity. be specific.