Multiple Choice
In the context of the fundamentals of genetics, which statement best defines a gene?
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1. Introduction to Genetics
Fundamentals of Genetics
Multiple Choice
In basic genetics, which statement best defines an allele?
A
An alternative form of a gene found at a specific locus on a chromosome
B
A set of traits an organism shows as a result of its genes and environment
C
The complete genetic material (DNA) of an organism
D
A protein that is produced by a gene
Verified step by step guidance1
Understand that an allele is related to genes and their variations. Genes are segments of DNA that code for specific traits.
Recall that each gene can have different versions or forms, which are called alleles. These alleles occupy the same position, or locus, on homologous chromosomes.
Recognize that alleles are alternative forms of the same gene, meaning they can produce variations in the trait controlled by that gene.
Differentiate alleles from other genetic concepts: the complete genetic material is the genome, traits are phenotypes, and proteins are products of gene expression, not alleles themselves.
Conclude that the best definition of an allele is 'an alternative form of a gene found at a specific locus on a chromosome.'
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