The number of possible genetically different gametes for an organism equals 2n where n is the number of pairs of chromosomes if an organism has six pairs of chromosomes how many different gametes ca it produce A. 64
B. 256
C. 32
D. 128

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.