openSNP

There doesn't seem to be a reliable test or questionnaire, just pick which feels right for you.

https://en.wikipedia.org/wiki/Kinsey_scale#Table_of_the_scale

Phenotype	Number of Users
ACT science	23
Dolichocephaly: Disproportionately Long, Narrow Head & Neanderthal rs12416000(A;G)	43
Disseminated Superficial Actinic Porokeratosis	29
Malar hypoplasia in Marfan Syndrome	37
Dermatographia	53
English ACT	32

User	Variation
JoDa	Na
Anaro Lexnon	1
Lauren Lupton	NA
shortstack81	5
pikelet	4
atelepen	0
Daniel	6
Stinky Jerome	5
Jeff Wright	3
Kristen L. Ramsay	Na
Tatiana	Na
Rhys Donaubauer	5
Magnus Alvestad	1
B	Na
Karen Connelly	1
Sanford	4
frankram72	Na
Daniel Munro	5
Daniel Hjertholm	0
JasPet	2
Ilan	3
Traci	Na
jbearden@ieee.org	0
Audrey Burns	5
saw2112	4
DemonRaven	5
R-P311 J1b1a1a	0
KurtGreis	1
Mark Jacobs	Na
grifkami	4
jaclynatkins	2
Paul	0
Aether	1
stephen bradley	1
Kitty	2
JGDB	0, exclusively hetero but very tolerant of homo or bi-sexuality in others
Serrak58@gmail.com	0, exclusively hetero but very tolerant of homo or bi-sexuality in others
kellycorvus	1
hanasoph	5
Chris1507	0, exclusively hetero but very tolerant of homo or bi-sexuality in others
jellicoe1992	3
Denatonium	4
LostBoy5010	5
Kaley White	1
ChrisPrattFanAc	6
Takiwatanga	3
callmedelirium	0, exclusively hetero but very tolerant of homo or bi-sexuality in others
otis	2
jjellison319	2
researchpurposes	3