Whatâs more, they are not regulated by the FDA. This means manufacturers can put in anything they want to, including cheap toxic chemicals with highly harmful effects in the body. Why does this matter if youâre not drinking shampoo? Any substance you rub on your skin or inhale will enter your body just as surely as if you had swallowed it.
Recessive trait. Definition. noun. (genetics) A genetic trait that results from the expression of the two recessive alleles. Supplement. When the dominant allele is lacking or when the two alleles present are both recessive, their expression results in a recessive trait.
The strong or expressive trait is known as Dominant trait, and the weak or unexpressive trait is known as Recessive trait but even that is up for debate as some contend it is â¦ the dominant or recessive allele on the gene that is expressed (the phenotype).+ 4 others found this useful. Yeime Sandoval.he strong or expressive trait is known as Dominant trait, and the weak or unexpressive trait is known as Recessive trait but even that is up for debate as some contend it is â¦ the dominant or recessive allele on the gene that is expressed (the phenotype). + 4 others found this useful. Yeime Sandoval.