1. ) The cell is normally more ___ on the inside and more on the outside. This voltage difference is maintained by the ___. 2. )If enough ions move to exceed the ___, an ___ can be generated that causes a change in the membrane potential big enough to conduct a signal.

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.

her next move would be to use agarose gel electrophoresis to separate the dna molecules of varying length and create a dna fingerprint.

idk im sorry.