The karyotype indicates a problem with chromosome 18. what is the problem and what is the best explanation for why it occurred?

a) extra chromosome; insertion
b) foreign chromosome; deletion
c) extra chromosome; nondisjunction
d) mutated chromosome; crossing over

Consider the following planned experiment. factor experimental group control group light exposure tots of sun tots of sun amount of water weekly weekly type of soil nutrient rich nutrient rich size of pot large which variable is being tested in this experiment? small a. size of pot b. type of soil c. light exposure d. amount of water