Multiple Choice
In the context of the fundamentals of genetics, a gene is best described as a short section of a:
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1. Introduction to Genetics
Fundamentals of Genetics
Multiple Choice
In the fundamentals of genetics, a section of DNA that determines a trait is called a(n):
A
chromosome
B
gene
C
allele
D
nucleotide
Verified step by step guidance1
Understand the key terms related to genetics: a chromosome is a structure made of DNA that contains many genes; an allele is a variant form of a gene; a nucleotide is the basic building block of DNA.
Recall that a gene is a specific sequence of DNA that codes for a particular trait or protein.
Identify that the question asks for the term describing a section of DNA that determines a trait, which corresponds to the definition of a gene.
Eliminate other options based on their definitions: chromosomes are larger structures containing many genes, alleles are different versions of a gene, and nucleotides are the chemical units making up DNA.
Conclude that the correct term for a section of DNA determining a trait is a gene.
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