Talk:Subgroup temperament families, relationships, and genes

Confusion about rank of a gene

"The dimension or rank of a gene is simply its rank as a temperament (which is one less than the rank of the subgroup is being tempered from)"

I don't understand the part in parentheses here. Why is it one less? —Keenan Pepper (talk) 21:14, 8 May 2021 (UTC)