Multiple choice

Alternative forms of genes present on a specific locus on homologous chromosomes which determine the same character are called

  1. genes

  2. chromosome

  3. alleles

  4. chromatin material
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C Correct answer
Explanation

Alleles are alternative forms of a gene that occupy the same locus (position) on homologous chromosomes and determine variations of the same character. For example, a gene for flower color may have alleles for purple or white. Genes are the broader functional units, while alleles are specific variants.

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