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Multiple Choice
In fundamental genetics, what term describes different forms of the same gene found at the same locus on homologous chromosomes?
A
Genotypes
B
Alleles
C
Chromatids
D
Phenotypes
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Verified step by step guidance
1
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 at a particular locus are called alleles.
Distinguish alleles from genotypes, which refer to the combination of alleles an organism has, and from phenotypes, which are the observable traits resulting from genotypes and environment.
Conclude that the term describing different forms of the same gene at the same locus on homologous chromosomes is 'alleles'.