If a man with one dominant gene for Huntington's disease marries a women who has no genes for the disease, what is the probability that their child will have the disease?

a. 25%

b. 100%

c. 0%

d. 50%

You are given two solutions containing different purified DNAs. One is from the bacterium P. aeruginosa and has a G + C composition of 68%, whereas the other is from a mammal and has G + C composition of 42%.

Mountain ranges often appear on the edges of continents. What theory does this support? Mountains were formed when Earth's crust cooled and Earth shrank. Mountain ranges were formed when continents collided.

Where would information being transmitted along an afferent axon within a spinal nerve ultimately end up?

Viruses are generally considered to be nonliving. Should viroids and prions also be viewed as nonliving? Why or why not?

Which prediction best describes the allele frequencies for F3 generation

Main enzyme in stomach?

Transcription in both eukaryotes and prokaryotes is similar because

Put the following events in the correct sequence of activation for the somatic motor neuron pathway: Group of answer choices An action potential is propagated down the lower motor neuron. Calcium levels increase in the cytoplasm of the muscle cell.

If a group of mantella frogs were transported to the ecosystem of the poison dart frogs what might happen to the two species' population

Which stage of the human life cycle occurs first