problem 1: How would over-exposure to X-rays influence most animal cells?

a) It would raise cell specialization in organs.
b) It would modify the series of DNA nucleotides in affected the cells.
c) It would generate new nucleotides for DNA molecules.
d) It would cause a raise in the red blood cell production.

problem 2: How are sexual reproduction and asexual reproduction distinct?

a) Sexual reproduction generates offspring similar to the parents; however asexual reproduction generates offspring with traits from both parents.
b) Asexual reproduction generates offspring similar to the parents; however sexual reproduction generates offspring with traits from both parents.
c) Sexual reproduction only takes place in multi-cellular organisms, however asexual reproduction only takes place in unicellular organisms.
d) Asexual reproduction only takes place in multi-cellular organisms, however sexual reproduction only takes place in the unicellular organisms.

problem 3: Which features is present in offspring generated by sexual reproduction; however is missing in offspring generated by asexual reproduction?

a) An identical copy of the parent chromosomes
b) Twice the number of parent chromosomes
c) Only half the number of the parent chromosomes
d) An independent assortment of the parent chromosomes

problem 4: Two people believe they are associated. Which would be the best method to find out if they are associated?

a) Testing blood types
b) Comparing DNA
c) Examining karyotypes
d) Testing for genetic disorders

problem 5: Which will most possible cause variations to take place in a species?

a) Competition
b) Mutation
c) Mutualism
d) Predation