The study also began the process of identifying major morphological and physiological traits associated with tolerance.
The QTLs themselves were placed into three major categories: morphological traits, physiological traits, and resistance or tolerance.
The low QTL number, associated with the high PVE, suggests that the variance in these reproductive physiological traits was either under the control of one major gene or a small number of genes.
Water depth exerted major control over population stability, both directly and indirectly via shifts in morphological and physiological traits.
That could help to explain how shortwave colour vision has evolved, determining whether major shifts in the spectral sensitivity of the SWS1 pigment are facilitated and/or constrained by shifts in co-adapted physiological traits.
"This is a major physiological stressor for the infant," he concluded.
Today's chickens represent a range of different sizes, body proportions, plumage colours, behaviour, and physiological traits related to meat and egg production.
But in two Facebook posts, the Kinks co-founder offered his best advice for recovering from a major physiological setback.
Physiological traits include facial hair or sensitivity to light.
In humans, research has sought to link variation in plasticity to physiological traits such as stress reactivity, exposure to prenatal stress-related hormones such as cortisol, and specific genes involved in major neurobiological pathways.
