| An extension of the monohybrid cross is the dihybrid cross in which two traits are of interest. |
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| A dihybrid cross can also be represented with a Punnett square, but the square must contain 16 boxes to accommodate all possible genotypes. |
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| It becomes apparent that the two different pairs of genes in a dihybrid cross behave independently of one another. |
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| The same principles that apply to a monohybrid cross apply to a dihybrid cross. |
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| To this point the dihybrid cross is essentially identical to a sample monohybrid cross, except with two traits. |
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