Which term describes the physical expression of genes in an organism?

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Study for the 9th Grade Biology SOL Test. Prepare with flashcards and multiple choice questions, each featuring hints and explanations. Get ready for your exam!

Multiple Choice

Which term describes the physical expression of genes in an organism?

Explanation:
Phenotype is the observable traits and characteristics that result from how an organism’s genes are expressed in the body and influenced by the environment. It includes things you can see or measure, like eye color, height, or leaf shape. The genotype is the actual genetic makeup—the alleles you carry—which sets the potential for those traits, while the environment can shape how that potential is realized in the phenotype. Variants of a gene are alleles, and the gene’s position on a chromosome is its locus.

Phenotype is the observable traits and characteristics that result from how an organism’s genes are expressed in the body and influenced by the environment. It includes things you can see or measure, like eye color, height, or leaf shape. The genotype is the actual genetic makeup—the alleles you carry—which sets the potential for those traits, while the environment can shape how that potential is realized in the phenotype. Variants of a gene are alleles, and the gene’s position on a chromosome is its locus.

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