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Transcript
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? Genetic Pedigree 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 Constructing a Pedigree • Female • Male Connecting People • Married couple • Offspring Connecting People • Fraternal Twins • Identical twins What does a pedigree chart look like? 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. Let’s look at an example! • Muscle type is not a sex linked characteristic. Fast twitch muscles dominate over slow twitch muscles Place the Genotype of each individual below its symbol