Genetics Vocab & Punnett Squares

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Genotype: AA

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Homozygous Dominant

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Genotype: Aa

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Heterozygous Dominant

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Two alleles can be different

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heterozygous

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Two alleles can be the same

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homozygous

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Example of genotype or phenotype: blue eyes

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phenotype

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YY: Genotype or Phenotype?

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Genotype

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In pea plants, round seeds (R) are dominant to wrinkled seeds (r). Genotype of a heterozygous pea plant?

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Rr

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In mice, black fur (B) is dominant to white fur (b). Offspring in box 4 would:

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be heterozygous for black fur

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In a plant species, purple (P) is dominant over white (p). Probability of purple offspring?

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100%

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Blending of two traits is known as...

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incomplete dominance