What is the relationship between a mutation and a gene?
question 2 options:
a mutation creates new genes from the same dna segment.
a gene results in a mutation when it produces a change in the type of mrna.
a mutation changes the sequence of dna bases of a gene
a gene causes a mutation when it manufactures the wrong protein.

Paleontologists have found plant fossils deep within the layers of the north polar region. these leaf fossils have been labeled as to the rock layers they were found in, with the lower numbers being layers close to the earth's surface and higher numbers representing deeper layers. according to the numbers of these four leaf fossils, what might you infer?