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Name______________ Fruit Fly Genetics Worksheet

Name______________ Fruit Fly Genetics Worksheet. Record the traits that were selected for your flies here: Dominant Traits Body Color ________________ Eye Color ________________ Wing Type ________________. Recessive Traits Body Color ________________

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Name______________ Fruit Fly Genetics Worksheet

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  1. Name______________ Fruit Fly Genetics Worksheet Record the traits that were selected for your flies here: Dominant Traits Body Color ________________ Eye Color ________________ Wing Type ________________ Recessive Traits Body Color ________________ Eye Color ________________ Wing Type ________________ First Generation Punnett Squares: Body Color Eye Color Wing Type B b E e W w B b E e W w Predicted Results: Real Results:

  2. Record the genotypes that were selected for your flies here: Male Genotypes Body Color ________________ Eye Color ________________ Wing Type ________________ Female Genotypes Body Color ________________ Eye Color ________________ Wing Type ________________ Second Generation Punnett Squares: Body Color Eye Color Wing Type Predicted Results: Real Results:

  3. Definitions and Examples • Allele - One member of a pair of genes that make up an organism's trait. Example: b is an allele of Bb. • Genotype - The combination of two alleles that make up an organism's trait. Example: BB is a genotype. • Phenotype - The observable characteristics of an organism that make up a trait. • Homozygous - Having identical alleles for a single trait. Examples: Dominant Homozygous: BB Recessive Homozygous: bb • Heterozygous - Having two different alleles for a single trait. Example: Bb Punnett Square Example: B B b b Predicted Results:

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