How the genes control these changes is a central problem.
Another gene, however, controls whether the flowers have color at all or are white.
Their story tells us right off the bat that genes don't control you.
Very much less well understood is how the genes control embryonic development.
By understanding what the cells do during limb development, we can begin to ask how the genes control these activities.
To find most, if not all, genes controlling a trait of interest, multiple parents have to be used.
There was then, and there still is, some hostility to the idea that genes control our behavior.
The gene controlling it is located on the X-chromosome, of which women have two and men only one.
It gives a handle on the biochemical processes that these genes might control.
Within the nuclei of the cell, genes direct and control the entire cell's function.