**
Problem Book, 18th ed.**
**(2007) Corrections Listed in Order of Problems**

**This is the page you need if you have the
18th edition, 2007. You need to make the changes listed below AND the
additional changes needed to
update to the 19th edition. **

**12/14/07
Problem 15-4 -- Answer.
**The answer to part C should be 1/4 X (0.42/0.91)^{2}.
The decimal point before the 9 was accidentally omitted. 0.42/0.91= chance that
a person with normal pheno will be carrier. Chance both (normal) parents will be
carriers is (0.42/0.91)^{2}.

**12/7/07
Problems 14-9 to 14-12.
**These are the problems that should be on page 122. We
accidentally reprinted page 121 instead.
Click
here for the missing page.

**8/1/08
Problem 10-19, part B -- Answer. **
The RF (in %) = 10.2, not 10.5

**7/31/08
Problem 10R-5, part B -- Answer. **There is a typo in
line 4 of the answer to part B. It says aB instead of ab. Yellow X red will give
AB, aB, Ab, and **ab** (if AaBb) or AB and aB (if AaBB).

**10/11/07 Problem 4-13**.
Reaction X should be Glucose-**P** + ATP → 2
glyceraldehyde-3-**P** + ADP. The '2' is missing.

**7/31/08
Problem 8R-3, part D -- Answer. **The last paragraph of
the answer should read 'The two chromosomes can line up two ways....' Delete the
word 'homologous' -- this is a haploid organism and none of the chromosomes are
homologous.

**8/1/08** **
Problem 7-14. -- Answer.** You need 3 lys-tRNA
per ribosome, not 2, because the E site will not empty until the A site is
filled. The answer in the older editions do not take the E site into account.

**10/9/07 Problem Set 6
-- Answers:
**
The
answers to problem set #6 are missing -- the questions are repeated where the
answers should be.
Click
here for the key to problem set 6.