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It was said earlier that, "Unattached earlobes are the dominant trait, twice as many people have unattached earlobes compared to attached." There is not actually any real proof that unattached earlobes are dominant. While more people may have unattached earlobes, attached earlobes are dominant. This was proved in a pedigree which covered three generations of extended families.

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14y ago
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14y ago

Hairy earlobes are inherited holandricly, which means that it is a sex-linked gene that is only carried on the Y chromosome. If your father has hairy earlobes, you will definitely have hairy earlobes if you're a boy since you can only inherit your Y chromosome from your father. This doesn't necessarily mean that hairy earlobes are dominant. It just simply means that it will always be expressed because is not another Y chromosome to "compete" with it. It would be interesting to know if in those who have XYY syndrome would express hairy earlobes if they inherited a Y with the hairy earlobe gene. If they do, then yes, hairy earlobes are dominant. If not, then hairy earlobes are not dominant.

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13y ago

Attached earlobes is a commonly referred to example of simple genetic dominance. The allele for freely hanging earlobes is dominant, while the allele for attached earlobes is recessive.

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7y ago

It is a male with at least one recessive allele.

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13y ago

Unattached earlobes are dominant while attached are recessive. It is very rare to have both.

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13y ago

Detached ear lobes are dominate

Attached are recessive

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13y ago

Freely hanging earlobes (unattached) is the dominant allele.

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11y ago


RECESSIVE

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Q: Are ear lobs that are attached dominant or recessive?
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