Efforts to find the gene or genes that underlie bipolar disorder suggest that a. multiple genes are involved. b. the underlying gene is on the y chromosome. c. the underlying gene is on the x chromosome. d. there is a genetic basis for bipolar disorder, but not for cyclothymia.

g1

choices:

a. g2. b. g1. c. m

cell division has two checkpoints namely, g1

checkpoint and spindle assembly checkpoint. the checkpoint which determines if

division has properly occurred is the g1 checkpoint. at this point, is a damage

in the dna is detected or  the has not reach the optimum size, the cell is

stopped in g1 and is not allowed to proceed to further process.

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