Problem:

Question 1: The linear DNA fragments taken up from disrupted infective cells recombine with the chromosomal DNA of noninfective cells by _______, much the same as genetic recombination takes place in conjugation.

a. meiosis

b. metaphase II

c. nuclear division

d. double crossovers

e. mitosis

Question 2: Striped bass, migrate between the ocean and freshwater streams. How does the bass maintain life?

a. Cell walls would be required to keep a constant ion concentration inside the cells.

b. Water must be kept within the cells while ions are kept out.

c. It is not possible for a living organism to survive in both the ocean and freshwater

streams.

d. Ions must be kept within the cells while water is kept out.

composition.

e. The plasma membrane of the organism must change its phospholipid

Question 3: Genetic map units represent

a. the actual DNA sequence of a gene.

b. the absolute physical distances between genes.

c. the relative positions of genes with respect to one another.

d. the chromosomes on which given genes are located.

e. none of the above.

Please describe your answer.