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Punnett Square Practice: Analyzing Genetic Crosses for Brown and Blue Traits

This resource provides practice with Punnett squares by examining crosses between various genotypes for fur color. You will explore the inheritance of traits with a focus on homozygous dominant (BB), heterozygous (Bb), and homozygous recessive (bb) genotypes. Using examples involving brown (dominant) and blue (recessive) fur colors, you will learn how to determine possible offspring genotypes and phenotypes. This practice is ideal for students studying basic genetics and understanding the principles of inheritance.

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Punnett Square Practice: Analyzing Genetic Crosses for Brown and Blue Traits

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  1. Punnett Squares Practice

  2. Cross BB with Bb ____ Homozygous Dominant ____ Heterozygous ____ Homozygous Recessive ____ Brown ____ blue

  3. Heterozygous x Homozygous recessive ____ Homozygous Dominant ____ Heterozygous ____ Homozygous Recessive ____ Brown ____ blue

  4. Homozygous dominant x blue ____ Homozygous Dominant ____ Heterozygous ____ Homozygous Recessive ____ Brown ____ blue

  5. Find the original Genotypes ____ Homozygous Dominant ____ Heterozygous ____ Homozygous Recessive ____ Brown ____ blue

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