Which Is Dominant Detached or Attached Earlobes?

If earlobes hang free, they are detached. If they attach directly to the side of the head, they are attached earlobes. Some scientists have reported that this trait is due to a single gene for which unattached earlobes is dominant and attached earlobes is recessive.

Are attached earlobes autosomal recessive?

An individual who cannot curl his tongue is homozygous recessive at another autosomal gene locus.

What are dominant and recessive variance about earlobe?

In the case of the earlobe genes, one is dominant over the other. ... In this case, unattached earlobes are dominant over attached earlobes (the recessive form of this trait) So, the person with gene combination B will have unattached earlobes because the unattached gene dominated over the attached earlobe gene.