Punnett Squares. Traits P - Parental Generation Genotype: TT or tt Gametes: T or t F1 – First...
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Transcript of Punnett Squares. Traits P - Parental Generation Genotype: TT or tt Gametes: T or t F1 – First...
![Page 1: Punnett Squares. Traits P - Parental Generation Genotype: TT or tt Gametes: T or t F1 – First Filial Generation Genotype: Tt Gametes: T or t F2 – Second.](https://reader035.fdocuments.us/reader035/viewer/2022070605/5a4d1ad67f8b9ab05997348e/html5/thumbnails/1.jpg)
Punnett Squares
![Page 2: Punnett Squares. Traits P - Parental Generation Genotype: TT or tt Gametes: T or t F1 – First Filial Generation Genotype: Tt Gametes: T or t F2 – Second.](https://reader035.fdocuments.us/reader035/viewer/2022070605/5a4d1ad67f8b9ab05997348e/html5/thumbnails/2.jpg)
TraitsP - Parental Generation• Genotype: TT or tt• Gametes: T or tF1 – First Filial Generation• Genotype: Tt• Gametes: T or tF2 – Second Filial Generation• ** too complicated need to set up a Punnett
Square
![Page 3: Punnett Squares. Traits P - Parental Generation Genotype: TT or tt Gametes: T or t F1 – First Filial Generation Genotype: Tt Gametes: T or t F2 – Second.](https://reader035.fdocuments.us/reader035/viewer/2022070605/5a4d1ad67f8b9ab05997348e/html5/thumbnails/3.jpg)
Predicting traits
• The Punnett Square is a valuable tool for visualizing the probability of the inheritance of certain traits
![Page 4: Punnett Squares. Traits P - Parental Generation Genotype: TT or tt Gametes: T or t F1 – First Filial Generation Genotype: Tt Gametes: T or t F2 – Second.](https://reader035.fdocuments.us/reader035/viewer/2022070605/5a4d1ad67f8b9ab05997348e/html5/thumbnails/4.jpg)
Predicting traits
• Genotypes:• Genotypic ratio:• Phenotypes:
Phenotypic ratio: • % tall? • % short? %
![Page 5: Punnett Squares. Traits P - Parental Generation Genotype: TT or tt Gametes: T or t F1 – First Filial Generation Genotype: Tt Gametes: T or t F2 – Second.](https://reader035.fdocuments.us/reader035/viewer/2022070605/5a4d1ad67f8b9ab05997348e/html5/thumbnails/5.jpg)
Predicting traits
• Genotypes: TT, Tt, tt• Genotypic ratio:• Phenotypes:
Phenotypic ratio:• % tall? • % short?
![Page 6: Punnett Squares. Traits P - Parental Generation Genotype: TT or tt Gametes: T or t F1 – First Filial Generation Genotype: Tt Gametes: T or t F2 – Second.](https://reader035.fdocuments.us/reader035/viewer/2022070605/5a4d1ad67f8b9ab05997348e/html5/thumbnails/6.jpg)
Predicting traits
• Genotypes: TT, Tt, tt• Genotypic ratio: 1:2:1• Phenotypes:
Phenotypic ratio: • % tall? • % short?
![Page 7: Punnett Squares. Traits P - Parental Generation Genotype: TT or tt Gametes: T or t F1 – First Filial Generation Genotype: Tt Gametes: T or t F2 – Second.](https://reader035.fdocuments.us/reader035/viewer/2022070605/5a4d1ad67f8b9ab05997348e/html5/thumbnails/7.jpg)
Predicting traits
• Genotypes: TT, Tt, tt• Genotypic ratio: 1:2:1• Phenotypes: tall &
short• Phenotypic ratio: • % tall? • % short?
![Page 8: Punnett Squares. Traits P - Parental Generation Genotype: TT or tt Gametes: T or t F1 – First Filial Generation Genotype: Tt Gametes: T or t F2 – Second.](https://reader035.fdocuments.us/reader035/viewer/2022070605/5a4d1ad67f8b9ab05997348e/html5/thumbnails/8.jpg)
Predicting traits
• Genotypes: TT, Tt, tt• Genotypic ratio: 1:2:1• Phenotypes: tall &
short• Phenotypic ratio: 3:1• % tall? • % short?
![Page 9: Punnett Squares. Traits P - Parental Generation Genotype: TT or tt Gametes: T or t F1 – First Filial Generation Genotype: Tt Gametes: T or t F2 – Second.](https://reader035.fdocuments.us/reader035/viewer/2022070605/5a4d1ad67f8b9ab05997348e/html5/thumbnails/9.jpg)
Predicting traits
• Genotypes: TT, Tt, tt• Genotypic ratio: 1:2:1• Phenotypes: tall &
short• Phenotypic ratio: 3:1• % tall? 75%• % short?
![Page 10: Punnett Squares. Traits P - Parental Generation Genotype: TT or tt Gametes: T or t F1 – First Filial Generation Genotype: Tt Gametes: T or t F2 – Second.](https://reader035.fdocuments.us/reader035/viewer/2022070605/5a4d1ad67f8b9ab05997348e/html5/thumbnails/10.jpg)
Predicting traits
• Genotypes: TT, Tt, tt• Genotypic ratio: 1:2:1• Phenotypes: tall &
short• Phenotypic ratio: 3:1• % tall? 75%• % short? 25%
![Page 11: Punnett Squares. Traits P - Parental Generation Genotype: TT or tt Gametes: T or t F1 – First Filial Generation Genotype: Tt Gametes: T or t F2 – Second.](https://reader035.fdocuments.us/reader035/viewer/2022070605/5a4d1ad67f8b9ab05997348e/html5/thumbnails/11.jpg)
Problem 1
• #1 Two parents(P), one heterozygous red petal is crossed with a white petal flower. Red is dominant to white. What is the phenotypic ratio of the F1 generation?
![Page 12: Punnett Squares. Traits P - Parental Generation Genotype: TT or tt Gametes: T or t F1 – First Filial Generation Genotype: Tt Gametes: T or t F2 – Second.](https://reader035.fdocuments.us/reader035/viewer/2022070605/5a4d1ad67f8b9ab05997348e/html5/thumbnails/12.jpg)
Problem 1
• #1 Two parents(P), one heterozygous red petal is crossed with a white petal flower. Red is dominant to white. What is the phenotypic ratio of the F1 generation?
Rr Rr
RR rr
![Page 13: Punnett Squares. Traits P - Parental Generation Genotype: TT or tt Gametes: T or t F1 – First Filial Generation Genotype: Tt Gametes: T or t F2 – Second.](https://reader035.fdocuments.us/reader035/viewer/2022070605/5a4d1ad67f8b9ab05997348e/html5/thumbnails/13.jpg)
Problem 1
• Genotypic ratio:• Phenotypic ratio:• % of red petals:
Rr Rr
RR rr
![Page 14: Punnett Squares. Traits P - Parental Generation Genotype: TT or tt Gametes: T or t F1 – First Filial Generation Genotype: Tt Gametes: T or t F2 – Second.](https://reader035.fdocuments.us/reader035/viewer/2022070605/5a4d1ad67f8b9ab05997348e/html5/thumbnails/14.jpg)
Problem 1
• Genotypic ratio: 2:2• Phenotypic ratio:• % of red petals:
Rr Rr
RR rr
![Page 15: Punnett Squares. Traits P - Parental Generation Genotype: TT or tt Gametes: T or t F1 – First Filial Generation Genotype: Tt Gametes: T or t F2 – Second.](https://reader035.fdocuments.us/reader035/viewer/2022070605/5a4d1ad67f8b9ab05997348e/html5/thumbnails/15.jpg)
Problem 1
• Genotypic ratio: 2:2• Phenotypic ratio: 2:2• % of red petals:
Rr Rr
RR rr
![Page 16: Punnett Squares. Traits P - Parental Generation Genotype: TT or tt Gametes: T or t F1 – First Filial Generation Genotype: Tt Gametes: T or t F2 – Second.](https://reader035.fdocuments.us/reader035/viewer/2022070605/5a4d1ad67f8b9ab05997348e/html5/thumbnails/16.jpg)
Problem 1
• Genotypic ratio: 2:2• Phenotypic ratio: 2:2• % of red petals: 50%
Rr Rr
RR rr
![Page 17: Punnett Squares. Traits P - Parental Generation Genotype: TT or tt Gametes: T or t F1 – First Filial Generation Genotype: Tt Gametes: T or t F2 – Second.](https://reader035.fdocuments.us/reader035/viewer/2022070605/5a4d1ad67f8b9ab05997348e/html5/thumbnails/17.jpg)
Problem 2
• #2 Cross a homozygous tall with a heterozygous tall.
![Page 18: Punnett Squares. Traits P - Parental Generation Genotype: TT or tt Gametes: T or t F1 – First Filial Generation Genotype: Tt Gametes: T or t F2 – Second.](https://reader035.fdocuments.us/reader035/viewer/2022070605/5a4d1ad67f8b9ab05997348e/html5/thumbnails/18.jpg)
Problem 2
• #2 Cross a homozygous tall with a heterozygous tall. TT TT
Tt Tt
![Page 19: Punnett Squares. Traits P - Parental Generation Genotype: TT or tt Gametes: T or t F1 – First Filial Generation Genotype: Tt Gametes: T or t F2 – Second.](https://reader035.fdocuments.us/reader035/viewer/2022070605/5a4d1ad67f8b9ab05997348e/html5/thumbnails/19.jpg)
Problem 2
• Genotypic ratio:• Phenotypic ratio: • % of being tall: TT TT
Tt Tt
![Page 20: Punnett Squares. Traits P - Parental Generation Genotype: TT or tt Gametes: T or t F1 – First Filial Generation Genotype: Tt Gametes: T or t F2 – Second.](https://reader035.fdocuments.us/reader035/viewer/2022070605/5a4d1ad67f8b9ab05997348e/html5/thumbnails/20.jpg)
Problem 2
• Genotypic ratio: 2:2• Phenotypic ratio: • % of being tall: TT TT
Tt Tt
![Page 21: Punnett Squares. Traits P - Parental Generation Genotype: TT or tt Gametes: T or t F1 – First Filial Generation Genotype: Tt Gametes: T or t F2 – Second.](https://reader035.fdocuments.us/reader035/viewer/2022070605/5a4d1ad67f8b9ab05997348e/html5/thumbnails/21.jpg)
Problem 2
• Genotypic ratio: 2:2• Phenotypic ratio: 4• % of being tall: TT TT
Tt Tt
![Page 22: Punnett Squares. Traits P - Parental Generation Genotype: TT or tt Gametes: T or t F1 – First Filial Generation Genotype: Tt Gametes: T or t F2 – Second.](https://reader035.fdocuments.us/reader035/viewer/2022070605/5a4d1ad67f8b9ab05997348e/html5/thumbnails/22.jpg)
Problem 2
• Genotypic ratio: 2:2• Phenotypic ratio: 4• % of being tall: 100% TT TT
Tt Tt