Not exact matches
Since depression is thought to be like fever — a common set
of symptoms likely rooted in multiple causes — lumping together genetic data from people with different underlying illness processes likely washed out, or statistically
diluted, subtle evidence
of effects caused by risk
genes.
Time, experience, and science have demonstrated that those who repeat outcross breeding in an attempt to
dilute the detrimental
effects of the recessive
genes might hide the carriers, but only temporarily.
Although the visual
effect can be the same, it is easy to confuse this with the subtle hint
of bronze (liver) that shows through in coats
of some black dogs that carry an incompletely - masked recessive allele (one
of the
gene pair) for «a
dilute» such as liver - chocolate.