A pair of genes responsible for a particular characteristic in an individual.

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Alleles:
These are the two alternative forms of genes which occupy the same position on a pair of homologous chromosomes and express the same characteristic in two different ways.
The alleles determine an organism's phenotype.
Blue eyes, brown hair, dark skin, etc are determined by genes.

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The physical expression of genes in an individual.

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Q. Select the statements that describe the characteristics of genes.

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ii. A gene does not code for a protein
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iv. Each chromosome has only one gene.

Assertion(A): Genes are responsible for the transfer of characteristics from the parents to the offspring.
Reason(R): Genes are present in the nucleus.

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A pair of genes responsible for a particular characteristic in an individual.

Alleles:These are the two alternative forms of genes which occupy the same position on a pair of homologous chromosomes and express the same characteristic in two different ways.The alleles determine an organism's phenotype.Blue eyes, brown hair, dark skin, etc are determined by genes.

Alleles:
These are the two alternative forms of genes which occupy the same position on a pair of homologous chromosomes and express the same characteristic in two different ways.
The alleles determine an organism's phenotype.
Blue eyes, brown hair, dark skin, etc are determined by genes.