Choose the mutation that you think is causing Lucy’s ADA enzyme not to work. Form a hypothesis and explain your answer. You can revise your hypothesis as you perform more experiments.

Out of the seven main animal groups (fish, mammals, birds, insects, reptiles, amphibians, and arachnids), how many contain members with internal backbones? a. 5 b. 3 c. 7 d. 1

Indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. albino x albino a) 1/4 chinchilla, 3/4, agouti b) 3/4 albino, 1/4 chinchilla c) all albino

Aragonite shells of clams, snails, or scleractinian corals may be preserved unaltered in cenozoic deposits, but they are generally dissolved or recrystallized in older deposits. true or false