Mendel, Heredity and Punnett Squares
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Transcript of Mendel, Heredity and Punnett Squares
![Page 1: Mendel, Heredity and Punnett Squares](https://reader035.fdocuments.in/reader035/viewer/2022062517/568138ef550346895da0a364/html5/thumbnails/1.jpg)
Mendel, Heredity and Punnett Squares
![Page 2: Mendel, Heredity and Punnett Squares](https://reader035.fdocuments.in/reader035/viewer/2022062517/568138ef550346895da0a364/html5/thumbnails/2.jpg)
• Name one (human) trait that is determined by genes.
• Name two alleles that determine that trait.
![Page 3: Mendel, Heredity and Punnett Squares](https://reader035.fdocuments.in/reader035/viewer/2022062517/568138ef550346895da0a364/html5/thumbnails/3.jpg)
Heterozygous is another name for….
• hybrid
![Page 4: Mendel, Heredity and Punnett Squares](https://reader035.fdocuments.in/reader035/viewer/2022062517/568138ef550346895da0a364/html5/thumbnails/4.jpg)
Homozygous is another name for….
• purebred
![Page 5: Mendel, Heredity and Punnett Squares](https://reader035.fdocuments.in/reader035/viewer/2022062517/568138ef550346895da0a364/html5/thumbnails/5.jpg)
The phenotype describes the ______ of an organism
• Physical appearance
![Page 6: Mendel, Heredity and Punnett Squares](https://reader035.fdocuments.in/reader035/viewer/2022062517/568138ef550346895da0a364/html5/thumbnails/6.jpg)
The genotype describes the ______ of an organism
• Genetic makeup
![Page 7: Mendel, Heredity and Punnett Squares](https://reader035.fdocuments.in/reader035/viewer/2022062517/568138ef550346895da0a364/html5/thumbnails/7.jpg)
What is this phase called in Mendel’s pea plant experiment?
What were the genotypes of these father and mother plants?
![Page 8: Mendel, Heredity and Punnett Squares](https://reader035.fdocuments.in/reader035/viewer/2022062517/568138ef550346895da0a364/html5/thumbnails/8.jpg)
What phase was this in Mendel’s experiment?
What were the genotypes of these plants?
![Page 9: Mendel, Heredity and Punnett Squares](https://reader035.fdocuments.in/reader035/viewer/2022062517/568138ef550346895da0a364/html5/thumbnails/9.jpg)
What phase was this in Mendel’s experiment?
What percentage of the offspring were tall? What percentage were short?
![Page 10: Mendel, Heredity and Punnett Squares](https://reader035.fdocuments.in/reader035/viewer/2022062517/568138ef550346895da0a364/html5/thumbnails/10.jpg)
• How many alleles do the offspring inherit from the “mother”, how many from the “father?”
• 1 from the mother, 1 from the father
![Page 11: Mendel, Heredity and Punnett Squares](https://reader035.fdocuments.in/reader035/viewer/2022062517/568138ef550346895da0a364/html5/thumbnails/11.jpg)
Draw a punnett square for a crossing between a Tt and Tt plant:
(T is tall, t is short)
![Page 12: Mendel, Heredity and Punnett Squares](https://reader035.fdocuments.in/reader035/viewer/2022062517/568138ef550346895da0a364/html5/thumbnails/12.jpg)
Draw a punnett square for a crossing between a Bb and bb mouse: (B is brown, t is white)
![Page 13: Mendel, Heredity and Punnett Squares](https://reader035.fdocuments.in/reader035/viewer/2022062517/568138ef550346895da0a364/html5/thumbnails/13.jpg)
Which allele is dominant?
![Page 14: Mendel, Heredity and Punnett Squares](https://reader035.fdocuments.in/reader035/viewer/2022062517/568138ef550346895da0a364/html5/thumbnails/14.jpg)
Which allele is recessive?
![Page 15: Mendel, Heredity and Punnett Squares](https://reader035.fdocuments.in/reader035/viewer/2022062517/568138ef550346895da0a364/html5/thumbnails/15.jpg)
What is the probability of getting a Yy pea pod?
![Page 16: Mendel, Heredity and Punnett Squares](https://reader035.fdocuments.in/reader035/viewer/2022062517/568138ef550346895da0a364/html5/thumbnails/16.jpg)
What is the probability of getting a yy pea pod?
![Page 17: Mendel, Heredity and Punnett Squares](https://reader035.fdocuments.in/reader035/viewer/2022062517/568138ef550346895da0a364/html5/thumbnails/17.jpg)
Draw two alleles that are homozygous…..
![Page 18: Mendel, Heredity and Punnett Squares](https://reader035.fdocuments.in/reader035/viewer/2022062517/568138ef550346895da0a364/html5/thumbnails/18.jpg)
Draw a pair of alleles that are heterozygous…..
![Page 19: Mendel, Heredity and Punnett Squares](https://reader035.fdocuments.in/reader035/viewer/2022062517/568138ef550346895da0a364/html5/thumbnails/19.jpg)
What is the probability of getting a heterozygous yellow pea pod?
![Page 20: Mendel, Heredity and Punnett Squares](https://reader035.fdocuments.in/reader035/viewer/2022062517/568138ef550346895da0a364/html5/thumbnails/20.jpg)
What is the probability of getting a homozygous green pea pod?
![Page 21: Mendel, Heredity and Punnett Squares](https://reader035.fdocuments.in/reader035/viewer/2022062517/568138ef550346895da0a364/html5/thumbnails/21.jpg)
Draw a punnett square for a crossing between a homozygous
tall and homozygous short plant: (T is tall, t is short)
![Page 22: Mendel, Heredity and Punnett Squares](https://reader035.fdocuments.in/reader035/viewer/2022062517/568138ef550346895da0a364/html5/thumbnails/22.jpg)
Draw a punnett square for a crossing between a homozygous tall and heterozygous plant: (T is
tall, t is short)
![Page 23: Mendel, Heredity and Punnett Squares](https://reader035.fdocuments.in/reader035/viewer/2022062517/568138ef550346895da0a364/html5/thumbnails/23.jpg)
What are the phenotypes of the parents?
![Page 24: Mendel, Heredity and Punnett Squares](https://reader035.fdocuments.in/reader035/viewer/2022062517/568138ef550346895da0a364/html5/thumbnails/24.jpg)
What are the genotypes of the parents?
![Page 25: Mendel, Heredity and Punnett Squares](https://reader035.fdocuments.in/reader035/viewer/2022062517/568138ef550346895da0a364/html5/thumbnails/25.jpg)
What are the genotypes of their offspring?
![Page 26: Mendel, Heredity and Punnett Squares](https://reader035.fdocuments.in/reader035/viewer/2022062517/568138ef550346895da0a364/html5/thumbnails/26.jpg)