Standard B-4: The student will demonstrate an understanding of the molecular basis of heredity.

B-4.6 Predict inherited traits by using the principles of Mendelian genetics (including segregation, independent assortment, and dominance).

Pedigree/Punnett Square Rubric

Names: ______Date: ______

Topic: ______

Criteria Pts. 4 3 2 1 PEDIGREE CHART Individuals are labeled with All 20 shapes 17-19 of the 14-16 of the 13 or fewer the appropriate shape (boxes are correct. shapes are shapes are shapes are or circles). __ x 2 correct. correct. correct. Individuals are connected All 19 17-18 15-16 Fewer than 14 with appropriate lines relationships are relationships are relationships are relationships are (horizontal, vertical, & accurately accurately accurately accurately diagonal) to show pictured. pictured. pictured. pictured. relationships. __ x 4 Generations are grouped All 20 individuals 18-19 individuals 16-17 individuals Fewer than 15 linearly and (within the are grouped are grouped are grouped individuals are family) chronologically linearly by linearly by linearly by grouped linearly generation & all generation & 8-9 generation & 6-7 by generation & 5 10 siblings are siblings are siblings are or fewer siblings chronologically chronologically chronologically are ordered. ordered. ordered. chronologically __ x 6 ordered. Standard B-4: The student will demonstrate an understanding of the molecular basis of heredity.

B-4.6 Predict inherited traits by using the principles of Mendelian genetics (including segregation, independent assortment, and dominance).

Carriers & afflicted All carriers & 75% of the 50% of the 25% or less of individuals are identified afflicted carriers & carriers & the carriers & (whether directly stated or individuals are afflicted afflicted afflicted inferred by the group). identified. individuals are individuals are individuals are __ x 5 identified. identified. identified. PUNNETT SQUARES Alleles (capital and lower All 4 alleles are 3 alleles are 3 alleles are 2 or fewer alleles case letters) correct & are correct & are correct with are correct correctly placed. correctly placed. some incorrect and/or placement. incorrectly __ x 2 placed. Boxes 4 of 4 boxes are 3 boxes are 2 boxes are 1 or 0 boxes are __ x 3 correctly filled. correctly filled. correctly filled. correctly filled. Ratios/Probability All ratios are All ratios are 1 part of the Neither the ratio correctly correctly ratio is incorrect nor the predicted with predicted with but the correct probability is the correct an incorrect probability is correctly calculated probability. calculated. calculated. __ x 3 probability. Total Points _____ Out of 100 pts