Grade 11 Pedigree Analysis Worksheet
Analyze pedigree charts to understand inheritance patterns of genetic traits, including autosomal dominant, autosomal recessive, and X-linked traits.
Includes
Standards
Topics
Grade 11 Pedigree Analysis Worksheet
Name:
Date:
Score:
Carefully analyze the provided pedigree charts and answer the questions that follow. Use your knowledge of Mendelian genetics and pedigree symbols to determine inheritance patterns, genotypes, and probabilities.
Pedigree Chart 1: Analyze the following pedigree chart for a genetic disorder.
1. Is the trait shown in Pedigree Chart 1 dominant or recessive?
True
False
2. Is the trait autosomal or X-linked?
Autosomal
X-linked
Y-linked
Mitochondrial
3. Explain how you determined the mode of inheritance for the trait in Pedigree Chart 1.
4. If individuals II-1 and II-2 from Pedigree Chart 1 have another child, what is the probability that this child will be affected by the disorder? Show your work.
5. In a pedigree chart, squares represent and circles represent .
6. An individual who carries a recessive allele but does not express the trait is called a .
7. If a trait is X-linked recessive, affected will always pass the allele to all of their .
Match the pedigree symbol with its meaning.
8. Shaded square
a. Unaffected female
9. Unshaded circle
b. Affected male
10. Half-shaded circle
c. Carrier female
Related Worksheets
The Cell Membrane: Structure and Function
An 11th-grade science worksheet focusing on the structure, components, and functions of the cell membrane, including transport mechanisms.
Human Skull Anatomy Worksheet
Explore the complex anatomy and functions of the human skull with this Grade 11 science worksheet.