'Phenotype ratio' diaporamas de présentation

Chapter 11: Genetics

Chapter 11: Genetics. When told to, put the PTC paper on your tongue. PTC, or phenylthiourea, is an organic compound having the unusual property of either tasting very bitter, or being virtually tasteless, depending on the genetic makeup of the taster.

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Genetics

Genetics. A study of inheritance. Thanks to Mr. Byman, MMHS Biology 12/05/05. Gregor Mendel. Father of modern genetics. Gregor Mendel. Father of modern genetics Researched with pea plants . Gregor Mendel. Father of modern genetics Researched with pea plants

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Mendelian genetics

Mendelian genetics. Gregor Mendel. Father of modern genetics Researched with pea plants. Gregor Mendel. Father of modern genetics Researched with pea plants Developed ideas of dominance and trait segregation. Phenotype. Phenotype Physical characteristics. Genotype. Phenotype

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Genetics

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Unit 5C Genetic Inheritance

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Dihybrid (or greater) Crosses: Review

Dihybrid (or greater) Crosses: Review. For either genotype or phenotype, the expected outcomes of a particular cross can be calculated by multiplying the probabilities of the individual outcomes. Crosses: Review.

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Dihybrid (or greater) Crosses: Review

Dihybrid (or greater) Crosses: Review. For either genotype or phenotype, the expected outcomes of a particular cross can be calculated by multiplying the probabilities of the individual outcomes. Crosses: Review.

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Dihybrid Crosses

Dihybrid Crosses. **Crossing 2 different traits at the same time. 1. Determine dominant and recessive traits. Carefully read the problem!. 2. Assign letters for the trait. B = black b = white H = Hairy h = no hair. 3. Determine genotype for parents.

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Dihybrid Crosses

Dihybrid Crosses. **Crossing 2 different traits at the same time. 1. Determine dominant and recessive traits. Carefully read the problem!. 2. Assign letters for the trait. B = black b = white H = Hairy h = no hair. 3. Determine genotype for parents.

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Solving Crosses

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Genetic Crosses

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Probability and P unnett Square

Probability and P unnett Square. Probability: likelihood that a specific event will occur. Principle of probability: used to predict the outcomes of genetic crosses. Two important points to remember with

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Genetic Crosses Review

Genetic Crosses Review. Do Now: Do the dihybrid cross on your notes sheet. Dihybrid cross: . RW Rw rW rw. Phenotype Ratio: 9:3:3:1. RW Rw rW rw. 5 Types of Genetic Crosses. The dihybrid cross is one of the 5 types of genetic crosses we have studied.

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Phenotype and Genotype Ratios

Do Now: In a species of fish, the allele for blue scales (B) is dominant to the allele for white scales (b). A blue fish mates with a white fist and produces the following offspring: 88 blue fish and 92 white fish . Is the blue parent heterozygous or homozygous?

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