'Factor cross' presentation slideshows

Chapter 9: Introduction to Genetics

Chapter 9: Introduction to Genetics. Section 1: The Work of Gregor Mendel. The Work of Gregor Mendel. Biological inheritance, or heredity , is the key to differences between species Heredity is much more than the way in which a few characteristics are passed from one generation to another

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Lesson Overview

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Probability and Punnett Squares

Probability and Punnett Squares. Whenever Mendel performed a cross with pea plants, he carefully categorized and counted the offspring.

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Lesson Overview

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Lesson Overview

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Lesson Overview

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Mendelian Genetics

Mendelian Genetics. The principles of probability can be used to predict the outcome of genetic crosses Probability - The likelihood that a particular event will occur is called probability. When a baby is born, the probability that it is a girl is 1:2 or 50%. Probability and Genetics.

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Dihybrid Crosses

Dihybrid Crosses . A monohybrid cross involves only one trait. This is what we have been looking at so far. Ex. Only dimples, OR only tongue rolling ability. A dihybrid cross involves two traits. Also known as two-factor cross. Ex. dimples AND tongue rolling ability. .

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11-3 Exploring Mendelian Genetics

11-3 Exploring Mendelian Genetics. Key Concepts: What is the principle of independent assortment? What inheritance patterns exist aside from simple dominance? Vocabulary: Independent assortment Incomplete dominance Codominance Multiple alleles Polygenic traits.

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Dihybrid Crosses

Dihybrid Crosses. Unit 8 Part 2. Two-Factor Cross of a heterozygous round yellow pea RrYy. Two-Factor Cross Results. Resulting offspring: Genotoypes: Phenotypes: 1/16 RRYY (1) Round, yellow: 9 1/16 rryy (1) Round, green: 3 1/8 RRYy (2) Wrinkled, yellow: 3

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