Pedigree — Definition & Charts
Read this topicExplanations 3
- Elements of a Pedigree A pedigree is a diagram used to observe inheritance patterns in an existing population. The term comes from an Anglo-French phrase meaning "crane foot". I…
By Gabi Slizewska, Alex Federspiel, Mario Janakis
- What Do Pedigrees Show Us? A pedigree chart is a diagram that shows the relationships between individuals in a family. Pedigrees are used to determine inheritance patterns for t…
By Sylvia Freeman, Jonathan Heller, Mario Janakis, Gabi Slizewska
- (Video) Pedigrees by Amoeba Sisters A pedigree is kind of like a family tree but for showing genotypes. This video by Amoeba Sisters will teach you how to read and write pedigre…
By Mario Janakis, Valeri Natole
Problems 20
- The pedigree above shows a family history of a common trait. What type of pattern of inheritance does the trait follow?
- The pedigree above shows the expression of a trait over several generations. What is the most likely pattern of inheritance of this trait?
- How would you know if a trait is Y-linked?
- The pedigree above shows how a certain trait is passed on through generations. What is the likely inheritance pattern for this trait?
- The pedigree above shows how an X-linked recessive trait is passed on through several generations. What is the genotype of the individual labeled with a question mark?
- The pedigree above shows the inheritance of a certain trait through the generations of House Lannister. What is the most likely mode of inheritance for this trait?
- Which traits tend to skip generations?
- Look at the pedigree above. Assume the trait (shown in green) is X-linked. Which of the following is true?
- If the trait shown above (in red) is autosomal dominant, what is genotype of the individual labeled with a question mark?
- Which of the following inheritance patterns can be predicted using pedigree analysis?
- In a pedigree chart, what is the difference between a square and a circle?
- You are studying a pedigree when you come across this symbol. What does it mean?
- Based on this pedigree chart, what is the inheritance pattern for the purple trait?
- If the blue trait shows an X-linked recessive pattern of inheritance, what is the genotype of the woman on the far right?
- Based on this pedigree chart, what pattern of inheritance does the pink trait show?
- Based on this pedigree chart, what pattern of inheritance does the blue trait show?
- This pedigree chart shows the inheritance of Liddle's syndrome in a family. Liddle's syndrome is a rare condition that affects normal kidney function, which causes high blood pr…
- What does this symbol mean in a pedigree chart?
- What does this symbol mean in a pedigree chart?
- What does this symbol mean in a pedigree chart?