Chapter 6

The chromosome number___________ . a. refers to a particular chromosome pair in a cell b. is an identifiable feature of a species c. is like a set of books

What are the base-pairing rules for DNA? a. \(\mathrm{A-G, T-C}\) b. \(\mathrm{A-C, T-G}\) c. \(\mathrm{A-U, C-G}\) d. \(\mathrm{A-T, G-C}\)

One species' DNA differs from others in its __________ . a. sugars b. phosphates c. base sequence d. all of the above

When DNA replication begins, ___________. a. the two DNA strands unwind from each other b. the two DNA strands condense for base transfers c. two DNA molecules bond d. old strands move to find new strands

DNA replication requires ___________. a. template DNA b. free nucleotides c. DNA polymerase d. all of the above

Replication of a DNA molecule results in __________. a. a single strand of DNA b. a double-stranded DNA c. two single strands of DNA d. two double strands of DNA

DNA polymerase adds nucleotides to ___________. a. double-stranded DNA b. single-stranded DNA c. double-stranded RNA d. single-stranded RNA

Show the complementary strand of DNA that forms on this template DNA fragment during replication: \(\mathrm{GGTTTCTTCAAGAGA}\).

___________ is an example of reproductive cloning. a. Somatic cell nuclear transfer (SCNT) b. Multiple offspring from the same pregnancy c. Artificial embryo splitting d. a and \(c\) e. all of the above

Match the terms appropriately. $$ \text {________nucleotide } \quad \quad\quad\quad\quad \text {a. adds nucleotides to a growing DNA strand} $$ $$ \text {________clone } \quad \quad\quad\quad\quad \text {b. copy of an organism} $$ $$ \text {________DNA ligase} \quad \quad\quad\quad\quad \text {c. fills in gaps, seals breaks in a DNA strand} $$ $$ \text {________DNA polymerase} \quad \quad\quad\quad\quad \text {d. nitrogen-containing base, sugar, phosphate groups} $$