Which of the following is the best definition of a gene?
A)an individual's set of observable characteristics
B)a hereditary unit made of DNA that occupies a fixed location on a chromosome
C)a molecule that encodes genetic information
D)a sequence of three bases on the DNA molecule that encode one of twenty amino acids

Question

Which of the following is the best definition of a gene?​ 
A)an individual's set of observable characteristics 
B)a hereditary unit made of DNA that occupies a fixed location on a chromosome 
C)a molecule that encodes genetic information 
D)a sequence of three bases on the DNA molecule that encode one of twenty amino acids

Quizplus · Accepted Answer

A gene is a hereditary unit made up of DNA that is located in a fixed position on a chromosome. This is the most precise and accurate definition of a gene. Option A refers to phenotype, which is a result of gene expression. Option C refers to DNA, which carries genetic information, but does not encompass the entire gene. Option D refers to a codon, which is a sequence of three bases that codes for an amino acid, but does not necessarily define a gene.

Which of the Following Is the Best Definition of a Gene?​

Which of the Following Is the Best Definition of a Gene?