Because there is no such thing as a gay gene. Current studies are leaning toward the idea of genetic sequences relating to sexual orientation, but not a single gene.
A carrier is a person who carries a gene(most-likely for a genetic disorder) but do not have the trait controlled by the gene.
The word 'genetic' is the adjective form of the noun gene.
If a genetic disorder is carried on a recessive gene, offspring will only have the disorder if both parents have the recessive gene.
Random changes.This would be called genetic drift.
As of July 2014, the market cap for Genetic Technologies Ltd (GENE) is $17,829,864.96.
instruction stored in the gene in the form genetic code.
Gene transfer, this type of process is mostly covered in the topic of genetic engineering