What can be concluded from the following data? #1
DNA profiling of a male with Down syndrome.

#2
Karyotype of a male with a normal set of chromosomes.

#3
DNA profiling of a male with a normal set of chromosomes.

#4
Karyogram of a male with Down syndrome.

The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?

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.

Why are carbon dioxide concentrations expected to increase? a carbon dioxide concentrations are expected to increase, because fossil fuel burning is expected to increase b. carbon dioxide concentrations are expected to increase, because of an increase in agriculture. c. carbon dioxide concentrations are expected to increase, because more land will have to be cleared for increasing populations and agricultural use. d. all of the above select the best answer from the choices provided mark this and return save and exit next submit submit