The observable characteristics of an organism are its:

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Study for the Leaving Certificate Biology Test. Prepare with flashcards and multiple-choice questions. Each question includes hints and explanations to enhance learning. Get ready to excel in your exam!

Multiple Choice

The observable characteristics of an organism are its:

Explanation:
Phenotype is the observable traits of an organism. These are the traits you can see or measure, such as eye color, height, leaf shape, or enzyme activity, and they result from how the organism’s genetic information is expressed in development and shaped by its environment. The genotype is the actual genetic makeup—the specific alleles an individual carries—while the genome refers to the entire set of genetic material. An allele set isn’t a standard way to describe traits, though the specific alleles present do influence phenotype. So the visible characteristics described here are best captured by phenotype.

Phenotype is the observable traits of an organism. These are the traits you can see or measure, such as eye color, height, leaf shape, or enzyme activity, and they result from how the organism’s genetic information is expressed in development and shaped by its environment. The genotype is the actual genetic makeup—the specific alleles an individual carries—while the genome refers to the entire set of genetic material. An allele set isn’t a standard way to describe traits, though the specific alleles present do influence phenotype. So the visible characteristics described here are best captured by phenotype.

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