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Genetics and Inheritance:Why owning a pair of genes matter. If both of your parents have dimples (small dents in the cheek, which become prominent when you smile), do you think you ll have dimples or not? In general, you are likely, but not guaranteed, to have dimples. This is because having dimples is a dominant trait. Genetics is the study of how certain features are transferred from generation to generation. Not all characteristics are passed through inheritance. For example, if you have black hair but dye your hair green, that doesn t mean your children will have green hair.
A dimple is a dominant trait. If a father has two dominant dimple  genes (DD) and the mother has two recessive dimple genes (dd), the  baby's dimple alleles will be Dd, meanâ¦ing he will have dimples.