rubbing poo into your hair
No. Hair texture is determined by the size and shape of the hair and angle it grows out of the follicle. Shape of individual hair strand actually determines the texture. The angle at which it grows out of the scalp determines specific growth patterns such as whorls and cowlicks.
Melanin determines your hair color.
The container determines the shape.
The gene sequence determines the codon, which in turn determines the aminoacid, which in turn determines the tridimensional shape on the protein, which in turn determines the shape of the active site, which in turn determines what it'll be catalysing.
angles
The order of amino acids for each protein determines its final three-dimensional shape
the interactical shape of its form would be the growth of it.
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Genes.
the system its part of
It determines the shape of the cell.
the container that it is in