1. Congratulations! You have just become a detective. Your goal is to figure out why certain family members have specific traits! How are you going to accomplish your goal?

2. Genetic Pedigree

3. What is a pedigree? Chart of the genetic history of family over several generations Scientist or genetic counselor finds information and makes the chart to analyze it

4. Constructing a Pedigree Female Male

5. Connecting People Married couple Offspring

6. Connecting People Fraternal Twins Identical twins

7. What does a pedigree chart look like?

8. How do they work Video We can’t always determine if something is heterozygous. As we go through our examples and worksheet you are worried about completely filling in the recessive traits.

9. Let’s look at an example! Muscle type is not a sex linked characteristic. Fast twitch muscles dominate over slow twitch muscles

10. Place the Genotype of each individual below its symbol