Medical Doctors usually use a pedigree analysis chart to show genetic
disorders are inherited in a family. They can use this to determine the
probability (chance) that someone in a family will inherit a certain
condition.
This is called pedigree analysis. All the family members are mapped onto a family tree.
Example :
Practice Exercises :
A. Is this trait dominant or recessive?
B. What are the most probable genotypes of I-3 and I-4?
C. What are the most probable genotypes of II-4 and II-5?
D. What is the probability that II-4 and II-5 will have another normal offspring?