In mink, a popular new color is blufrost. When standard brown mink are crossed with blufrost, the offspring appear in the ratio of one brown to one blufrost, Brown crossed
with brown never produces blufrost. What would you predict among the offspring from a
cross of blufrost with blufrost?

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the answer that best describes the relative refractory period in the neuron is the resting membrane potential is restored, but concentrations of sodium and potassium are not restored to their original state.

the refractory period is the time during which another stimulus given to the neuron will not lead to a second potential. thus, because na+ channels are inactivated during this time, additional depolarizing stimuli do not lead to new action potentials.  

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