Scientist sometimes make discoveries that lead to a need for new laws. what big idea of biology do these situations illustrate

In the context of the neural impulse, which of the following is true about the depolarization of neuron membranes?

Why do you think the puppy litter was all dark-haired?

Agene editing technology called crispr-cas9 uses cellular machinery to change the cell's genetic material. how might this technology be useful in treating diseases like cancer?