Pedigree Chart & Phenotype Ratios
The movie Teenwolf may just have been inspired by a real-life condition called hypertrichosis. There are just 40 sufferers in the world today. This activity asks students to draw a pedigree chart of a family who suffer from this sex-linked genetic condition. Then they deduce the genotypes of the family members and finally predict the ratio of phenotypes in a future generation. How do geneticists use family histories...