Christ the King College
HIGH SCHOOL DEPARTMENT
City of San Fernando, La Union 2500 Philippines
GRADE 11 GEN BIO 2
Name: ________________________ Date: _____________________
Section: ____________Teacher: ___________________________
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Accuracy/Content (4) ____
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20
PEDIGREE ANALYSIS
Worksheet No. 2
Learning Target:
To interpret Inheritance Patterns through a Pedigree Analysis
To understand and analyse a Pedigree Chart accurately
General Direction: Give the answers asked on the space/s provided for.
Questions
1. Label all the generations and number all individuals in the pedigree chart.
2. How is this particular trait inherited? ______________________________
3. How many offspring are shown in the second generation? ______________
4. If individual #10 mated with individual # 11, what are the chances of them producing an offspring who is
affected? ______________________
5. Indicate the genotypes of individuals # 1- 10. Make the dominant trait to be “A” and the recessive trait to
be “a”. Some may have two possible genotypes. Write the genotypes beside the number.
Generalization
1. Give three applications of the knowledge you acquired about Pedigree Charts in your life.
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