Diples: A Genetic Trait: Dimples

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Recommended: Biological influences on personality

Professor Gibson
ANTH300Clifford Redmond Jr
March 12, 2014
A Genetic Trait: Dimples
In many eyes, dimples are considered a mark of beauty and loveliness. In an article by Manali Oak she describes "Dimples" almost perfectly. "Technically speaking, dimples are visible indentations formed as a result of the underlying flesh of the cheeks" (Oak, Manali 2009). It's very difficult for us to understand that dimples are the outcome of a birth defect resulting from contracting scar tissue or trauma (TheFreeDictionary.com). A gelasin is the result the Zygomaticus major muscle, a facial muscle. It begins in the front of the cheek and stretches into the upper lip. This action makes the muscles move the lips upward and lateral. Conditions that can affect this muscle is myalga, tears, strains, neuromuscular diseases, lacerations, contusions, Bell's palsy, atrophy, infectious myositis, and myopathy (Zygomaticus Major Muscle Function, Origin & Anatomy). Lets say when someone smiles, the minor muscles on their face causes the facial skin to pull back, therefore resulting in a tiny indention in their skin, known as a dimple. Some people might ask how may dimple formation be somewhat connected to our DNA? Well dimples are a dominant genetic trait and if our both of our parents have dimples, then us their children, will have a 50-100% chance of getting dimples passed down to us. But if one parent only has dimples then our chances of getting dimples will only be a 0-50% chance of inheritance. You can imagine if none of the parents have dimples then nine out of ten times the child will not receive dimples. Seeing dimples on both sides of you cheeks is as normal as they can get, but a lone dimple is rare and occur every blue moon. As we know that di...

... middle of paper ...

... is important in the evolutionary process because it helps us adapt and gives us unique features on one another. It is what makes us special, and each every trait plays a role and we need it for our existence. Everything happens for a reason.

WORKS CITED:
"Meiosis." - definition from Biology-Online.org. 12 Mar. 2014 .
"Penetrance." - definition from Biology-Online.org. 12 Mar. 2014 .
Oak, Manali. Buzzle.com. 16 Jan. 2009. Buzzle.com. 12 Mar. 2014
.
TheFreeDictionary.com. 12 Mar. 2014 .
"Zygomaticus major." Zygomaticus Major Muscle Function, Origin & Anatomy. 12 Mar. 2014 .

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