cause it is just that cool
If your friend has attached earlobes (recessive trait), then your friend must have two copies of the recessive allele for attached earlobes (aa). This means that both of your friend's parents must be carriers of the recessive allele (Aa) in order to pass it on. Your friend's mother and father would both have one dominant allele (A) for free-hanging earlobes and one recessive allele (a) for attached earlobes.
yes!
Yes, the inheritance of free-hanging earlobes (referred to as the "unattached" phenotype) is often thought to follow a simple recessive pattern, with the unattached earlobes trait being recessive to attached earlobes. This means that to have free-hanging earlobes, an individual would need to inherit two copies of the recessive allele.
because it dominates the phenotype
No! they are different
50%
He has a homozygous genotype
75%
yes!
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.
recessive
The allele which have dominant genes or whose genes can express themselves in presence or its corresponding gene in F1 expressions is the strongest of two, allthough no whole allele is strongest but its part of gene which carry that ability
He has at least ONE E allele
the tiger of ireland
He has at least ONE E allele
No! they are different
because it dominates the phenotype