Biology for IGCSE & O level - Inheritance (Section 3 - No. 49)
Which of the following statements accurately describes the relationship between genes, alleles, and chromosomes?
Genes are located on chromosomes.
Alleles are different versions of the same gene.
Each chromosome contains only one gene.
Alleles are found at different locations on a chromosome.
Explanation
Genes are located on chromosomes, and alleles are different versions of those genes. A single chromosome usually contains hundreds or thousands of genes, and alleles of the same gene are found at the same locus on homologous chromosomes.
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