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  • Dominant Inheritance: Understanding Heterozygous Phenotypes
    You're describing the concept of dominant inheritance. Here's how it works:

    * Heterozygous: An individual with one dominant allele and one recessive allele for a particular trait.

    * Homozygous Dominant: An individual with two copies of the dominant allele.

    * Homozygous Recessive: An individual with two copies of the recessive allele.

    In dominant inheritance, the dominant allele masks the expression of the recessive allele. This means that:

    * Heterozygous individuals will have the same phenotype (physical characteristic) as homozygous dominant individuals.

    Example:

    Let's say the trait is eye color, where brown eyes are dominant (B) and blue eyes are recessive (b):

    * Homozygous Dominant (BB): Brown eyes

    * Heterozygous (Bb): Brown eyes

    * Homozygous Recessive (bb): Blue eyes

    As you can see, both individuals with the genotype BB and Bb will have brown eyes, even though they have different combinations of alleles.

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