A man has mutations in his skin cells from excessive sun exposure. These mutations will not be passed along to the man’s offspring because

What does polymerase chain reaction (pcr) do? o a. separates dna fragments by size o b. cuts a dna sample into fragments o c. provides an overall picture of a person's chromosomes o d. makes more copies of a sample of dna

Which statement explains how gravity and intertia work together

There are fewer than 100 naturally occurring elements in the universe, but there are millions of different unified substances. explain how this can be true.