# Assume the gene for dimples, d, is recessive. Then assume that two individuals with the genotypes Dd and dd mate. Create a Punnett square for this mating and state the probability that their...

Assume the gene for dimples, d, is recessive. Then assume that two individuals with the genotypes Dd and dd mate. Create a Punnett square for this mating and state the probability that their offspring will have dimples.

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jerichorayel | College Teacher | (Level 2) Senior Educator

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The punnett square is generally a method in determining the genes that the offspring would inherit from their parents. The Punnett square for the two individuals with genotypes Dd and dd can be expressed as:

Punnett square

D       d

d    Dd      dd

d    Dd      dd

Where:

Dd = heterozygous dominant or individuals with no dimples

dd = recessive trait or individuals with dimples

Results:

Genotype Dd (phenotype: no dimples) = 50%

Genotype dd (phenotype: with dimples) = 50%

The probability for the offspring to have dimples is 50%

Sources:

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