Help? its due tmmrw and it's confusing heck

Imagine that a mouse has white fur because of a mutation in its dna. which of the following conclusions can be drawn

How many copies of each chromosomes should be present in each of the 4 final haploid versions of gamete?

Ateam from new york presbyterian hospital is conducting a study about a recent increase in cases involving both excess sweating and kidney stones. what would the team need before it draws a conclusion about the cases? medications that are specifically designed to treat the sickness machines that are built to process blood and reduce symptoms until patients are healthy again data that profile the various patients who report these symptoms proof that the excess sweating is related to the excessive kidney stones