Genetics of Organisms
Introduction
Key Concepts Genetics of Organisms
Design of the Experiment
Overview of the Experiment
Closer Look: Some Common Mutations You May See
Exercise 1: Parental Generation
Exercise 2: F
1
and F
2
Generations
Analysis of Results
Case 1
Case 2
Chi-Square Analysis of Data
How To Calculate the Expected Value
Calculating Chi-Square
Using the Chi-Square Critical Values Table
Lab Quiz
Case 2
Based on the data obtained, which is the most likely mode of interitance in Case 2?
a. autosomal
b. sex-linked
From the data presented, determine the genotype of the
parental
(before the F
1
generation; not shown here) generation.
+ = wild type (red eyes)
w
= white eyes
a.
X
+
X
+
x
X
+
Y
b.
X
+
X
w
x
X
+
Y
c.
X
+
X
+
x
X
w
Y
d.
X
w
X
w
x
X
w
Y