Pedigree Analysis
Biology ⇒ Genetics and Heredity
Pedigree Analysis starts at 10 and continues till grade 12.
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See sample questions for grade 10
A pedigree shows a trait that affects both males and females equally and skips generations. What is the most likely mode of inheritance?
A pedigree shows that only males are affected and the trait is passed from father to son. What is the most likely mode of inheritance?
Describe how consanguinity can affect the results of pedigree analysis.
Describe how you would identify a carrier of an autosomal recessive trait in a pedigree.
Describe the difference between autosomal and sex-linked inheritance as seen in pedigrees.
Explain why mitochondrial inheritance is only passed from mothers to all their children.
Explain why pedigree analysis is important in genetic counseling.
Explain why X-linked recessive traits are more common in males than females.
If a trait is only passed from fathers to sons, what type of inheritance is this?
In a pedigree, how are siblings represented?
In a pedigree, what does a circle represent?
In a pedigree, what does a square represent?
In a pedigree, what does a vertical line connecting a parent to a child represent?
What does a double horizontal line between a male and female in a pedigree indicate?
What is a pedigree chart used for in genetics?
