Use a Punnett Square to answer this question. Harlequin ichthyosis is a recessive disorder. If one parent is a carrier for the disorder and the other parent has two normal alleles, what is probability of having an offspring with the disorder?

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.