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Explain how characteristics (or traits) are inherited through genes?

The traits are inherited through genes.Genes code for proteins which decide all the traits like eye colour, height etc. Genes are basic unit of heredity and are located on the chromosomes. During gamete formation the chromosomes carrying genes segregate resulting in inheretance of traits.

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Each gene that that you have accounts for certain characteristic (eg.brown eyes) that you display.You have 23 pairs of choromosomes 46 total so therefore, so that means you have two of each kind of each gene,which are called alleles also.So if you have brown eyes,you have a brown allele but you also have a second allele.This could be another brown allele,but it could also be a blue allele.The brown is Dominant ,so thats the one that would be expressed .Hope answers the question..

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