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In Mendelian genetics, what are the different versions of a gene called?
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1. Introduction to Genetics
Fundamentals of Genetics
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In fundamental genetics, what term describes a different form of a gene found at the same locus on homologous chromosomes?
A
Genotype
B
Phenotype
C
Allele
D
Chromosome
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Understand that genes are segments of DNA located at specific positions called loci on chromosomes.
Recognize that homologous chromosomes are pairs of chromosomes, one inherited from each parent, that have the same genes at the same loci.
Learn that different versions or variants of the same gene found at the same locus on homologous chromosomes are called alleles.
Distinguish between related terms: 'genotype' refers to the genetic makeup of an organism, 'phenotype' refers to observable traits, and 'chromosome' is the structure carrying genes.
Conclude that the term describing different forms of a gene at the same locus on homologous chromosomes is 'allele'.
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