Genetics pedigree worksheet with answer key pdf

Description

Genetic inheritance can be a complex topic to teach students when studying mendelian genetics in middle school and high school. This genetics pedigree worksheet bundle with pedigree charts can help students visualise how genetic information is passed through family members.

Studying human pedigree help geneticists identify patterns of inheritance within a family’s generation, such as autosomal dominant, autosomal recessive, X-linked dominant, X-linked recessive, or Y-linked inheritance, which can provide valuable insights into the underlying genetic mechanisms.

This can be overwhelming for students to get their head around. The use of pedigree charts help to make genetic inheritance more visual and therefore easier to follow.

What is included in the genetics pedigree charts worksheets:

• 8 pages of student notes and worksheets
• 1 page including an extension option for a co-dominance pedigree chart
• 9 pages of full teacher answers

What is covered in the genetics pedigree worksheets:

• pedigree charts
• autosomal dominant
• autosomal recessive
• x-linked dominant
• x-linked recessive
• inheritance pattern in family members
• sex-linked traits
• recessive trait
• dominant trait

This worksheet is perfect for students needing pedigree practice and to develop their critical thinking skills.

Apart from just interpreting pedigree charts, students consider questions such as ‘What is the probability that another child in the 3rd generation will present with the trait?’

This pedigree worksheet works very well after this Punnett Squares worksheet which provides additional information to build an understanding of genotypes and phenotypes.