A branch diagram should be performed when you wish to know how ALL the
progeny from a cross will result (either for phenotype or for genotype).
Consider the following cross:
A l^4.144 *
w* ', t. h*
lwJ"4 !t s*J
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
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
' 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
Assignments shown on white days are also due on the adjacent orange day. Assignments are due and
may be collected or quizzed on the day they are shown as due.
12 Historians - who
caused the outbreak
of WWI? analyze