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Which of the following phrases best defines the term genome?
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1. Introduction to Genetics
Fundamentals of Genetics
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Which phrase best describes the term 'genome'?
A
A sequence of amino acids forming a polypeptide
B
A single gene that codes for a specific protein
C
The complete set of genetic material present in an organism
D
The physical appearance resulting from gene expression
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Understand that the term 'genome' refers to the entire genetic content of an organism, not just a part of it.
Recall that a gene is a segment of DNA that codes for a specific protein, so a single gene is only a small portion of the genome.
Recognize that a sequence of amino acids forming a polypeptide describes a protein, which is a product of gene expression, not the genome itself.
Note that the physical appearance resulting from gene expression is called the phenotype, which is influenced by the genome but is not the genome itself.
Conclude that the phrase 'The complete set of genetic material present in an organism' best describes the term 'genome' because it encompasses all the DNA within an organism.
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