More info about Mendelian trait: http://chroma.mbt.washington.edu/outreach/TRAITTREE.html

A text summary of the clickable map above, meant for web-crawlers and other automatic tools:
Mendelian trait contrasts with quantitative trait
Mendelian trait produced by gene
Mendelian trait produced by Mendelian gene
Mendelian trait named for Gregor Mendel
Mendelian trait includes type widow's peak
Mendelian trait includes type mid-digital hair
Mendelian trait includes type curly hair
Mendelian trait includes type pigmented eye
Mendelian trait includes type brown, black, or red hair
Mendelian trait includes type bent little finger
Mendelian trait includes type tongue curling ability
Mendelian trait includes type no widow's peak
Mendelian trait includes type no mid-digital hair
Mendelian trait includes type straight hair
Mendelian trait includes type blue eye
Mendelian trait includes type blond hair
Mendelian trait includes type straight little finger
Mendelian trait includes type no tongue curling ability
Mendelian trait principle illustrated in Mendelian Traits Lab
Mendelian trait type of phenotype
Mendelian trait type of trait