In guinea pigs, rough coats (R) are dominant over smooth coats (r). If an RR guinea pig is crossed with an Rr guinea pig, what are the possible GENOTYPE ratios of the offspring?
1. 100% Rr
2.50% RR, 50% Rr
3. 25% RR, 50% Rr, 25% rr
4.100% rough coat
5.100% smooth coat
6.50% rough coat, 50% smooth coat

Provide one reason why mitosis occurs.

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.

Which term most precisely describes the cellular process of breaking down large molecules into smaller ones? a) catalysis b) metabolism c) anabolism d) dehydration e) catabolism