More info about quantitative trait: http://smoker.jun.alaska.edu/SalmonLH/14lect/sld001.htm

A text summary of the clickable map above, meant for web-crawlers and other automatic tools:
quantitative trait contrasts with Mendelian trait
quantitative trait produced by more than one gene
quantitative trait includes type height
quantitative trait includes type weight
quantitative trait includes type intelligence
quantitative trait has characteristic varies continuously
quantitative trait type of phenotype
quantitative trait type of trait