The table shows the crossing-over frequencies for three genes in the fruit fly Drosophila. The greater the frequency, the more likely that crossing over separates the genes. The gene for eye color (A), wing shape (B), and body color (C) are found on the same chromosome.
Genes
Crossing-over frequency
12.5%
A and B
A and C
6%
Band C
18.5%
What are the two most likely sequences of these genes on a gene map for this chromosome? Select two options.
A. B, A, C
B. A, B,C
C. C, B, A
D. C, A, B

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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what is this saying?

they check for mistakes and stuff

answer(9) nine abilities;