Trait.
trait :)
A chromosome is more "complex" than a gene.:)
It is more than likely you do have the gene. Only if you are an identical twin.
Unless an organism has more than two copies of at least one chromosome, or more than two copies of their entire genome (known as polyploidy), they will only have, at most, two alleles of any one gene. Haploid organisms only have -one-. The only other way to get two copies of a gene into an organism is through splicing. If, however, you're asking if -any- gene has more than two alleles, across all organisms that share said gene, yes. In fact, a very significant portion of known genes do. Most of the time, these are just minor mutations, but sometimes they may serve entirely different functions, or may not function at all.
dominant
Polygenic Traits
Pleiotropy!
Chromosome 19 has a blue/green gene. Chromosome 15 has a brown/blue gene. The genetics of eye color are more complex than realized previously, and more than one gene is involved in determining eye color.
Alternative splicing permits a single gene to code for more than one polypeptide. In alternative splicing, certain exons of a gene may be included or excluded from the messenger RNA used to code for proteins.
Any gene; depleted uranium is uranium containing more than 99,8 % of the isotope uranium 238.
Phineas is a better, more likeable person than Gene is.
Phineas is a better, more likeable person than Gene is.