' Exam II ' ﬂ 9.
Spring semester 2006 mm
Instructions for taking Exam II:
a. Remove all materials (books, notes, etc.) from your immediate desk
area. You will need only a writing instrument (pen or pencil) to record
Mutation: Change in the DNA sequence
. . . C T C A . . .
. . . C T T A . . .
Nucleotide Substitution: Single nucleotide change
For Problem #1, the wt and
mutant sequences differ by:
A. Every amino acid
B. One amino acid
AT THE END OF THIS LECTURE
YOU SHOULD BE ABLE TO:
1. Solve problems involving incomplete
dominance, codominance, lethal alleles,
incomplete penetrance, variable
expressivity, and multiple alleles
RR Red Flowers
rr White Flowers