PLEASE HELP ASAP to cause cancer, proto-oncogenes require___allele(s) to be mutated and therefore are considered___. the mutation results in a ___ of functioned

Which of the following statements is most likely correct about a rock belonging to the jurassic age and a rock belonging to the cambrian age? options: 1) they have identical fossils of organisms that have evolved over time. 2) both have animal fossils preserved in them due to weathering and erosion. 3) they contain different fossils because life on earth has changed through time. 4) the fossils in them were formed on the surface of earth due to exposure to sunlight.

All ova contain sex chromosomes corresponding to: x y xx xy

Use the distance formula to determine weather each pair of segments have the same length