Question

Which of the following is CORRECT with respect to alleles or allelomorphs?

Options

• Alleles are two or more alternative forms of genes that occupy different position on heterozygous chromosomes.

• Alleles are genes that occupy same position on heterozygous chromosomes.

• Alleles are two or more alternative forms of genes that occupy different position on homologous chromosomes.

• Alleles are two or more alternative forms of a gene which occupy same position on homologous chromosomes.

Answer 1

Alleles are two or more alternative forms of a gene which occupy same position on homologous chromosomes.