Understanding Mendel's Genetic Principles

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Mendel's Law of Independent Assortment states that alleles for different traits are inherited independently.

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Alleles for different traits are inherited independently.

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DOK Level 1: Recall

Front

Dihybrid cross: A cross between two individuals heterozygous for two traits.

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A cross between two individuals that are heterozygous for two traits.

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DOK Level 1: Recall

Front

Meiosis and genetic variation

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Crossing over and independent assortment.

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DOK Level 2: Skill/Concept

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Dihybrid cross phenotypic ratio

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9:3:3:1

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DOK Level 1: Recall

Front

Example of independent assortment: A plant with purple flowers can have either green or yellow seeds.

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A plant with purple flowers can have either green or yellow seeds.

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DOK Level 2: Skill/Concept

Front

Significance of Mendel's Law of Independent Assortment in genetics?

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Explains genetic variation in offspring.

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DOK Level 2: Skill/Concept

Front

Dihybrid cross of heterozygous pea plants (RrYy) results in what fraction of homozygous recessive offspring?

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DOK Level 2: Skill/Concept

Front

Meiosis process ensuring independent allele assortment.

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Independent assortment of chromosomes

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DOK Level 1: Recall

Front

Role of crossing over in genetic variation?

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Exchange of genetic material between homologous chromosomes.

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DOK Level 2: Skill/Concept

Front

Dihybrid cross: one parent homozygous dominant, other homozygous recessive. Genotype of F1 generation?

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Heterozygous for both traits

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DOK Level 1: Recall