Variation + Evolution
, Variation
Continuous Variation Discontinuous
Variation
Properties No distinct categories Distinct categories
No limit on value No in-between
Tends to be Tends to be
quantitative quantitative
Examples Height Tongue rolling
Weight Finger prints
Heart rate Eye colour
Finger length
Representation Line graph Bar graph
Controlled by Lots of genes A few genes
Environment
, Variation
Continuous Variation Discontinuous
Variation
Properties No distinct categories Distinct categories
No limit on value No in-between
Tends to be Tends to be
quantitative quantitative
Examples Height Tongue rolling
Weight Finger prints
Heart rate Eye colour
Finger length
Representation Line graph Bar graph
Controlled by Lots of genes A few genes
Environment