The principle of dominance states that certain traits or alleles in an organism's genetic makeup will be expressed over others in a heterozygous pair. This means that one allele, known as the dominant allele, will mask the expression of the other allele, known as the recessive allele. In simpler terms, if an organism inherits a dominant allele for a specific trait, it will be physically or visibly expressed, while the recessive allele will remain hidden unless both alleles are recessive. This principle helps to explain the patterns of inheritance observed in genetics and how certain traits are passed down from parents to offspring.
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Answer:
The principle of dominance states that certain traits or alleles in an organism's genetic makeup will be expressed over others in a heterozygous pair. This means that one allele, known as the dominant allele, will mask the expression of the other allele, known as the recessive allele. In simpler terms, if an organism inherits a dominant allele for a specific trait, it will be physically or visibly expressed, while the recessive allele will remain hidden unless both alleles are recessive. This principle helps to explain the patterns of inheritance observed in genetics and how certain traits are passed down from parents to offspring.
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