1 During division in cellular reproduction, the DNA and cytoplasm of the parent cell is distributed to two
A. clones.
B. chromosomes.
C. daughter cells.
D. simplified cells.

2. Suppose you’re looking through a microscope and you see an exchange of chromo-some  segments between chromosome pair 7 and chromosome pair 15. This condition
is an example of
A. translocation.
B. duplication.
C. inversion.
D. relocation.

3. A DNA molecule has a unique design that resembles a spiral staircase. Scientists call this design a
A. spiral purine.
B. double helix.
C. double nucleotide.
D. spiral structure.                         

4. During meiosis, the “shuffling” exchange of genetic material is called
A. synapsis.
B. crossing-over.
C. tetrad formation.
D. allele distribution.