XYY

Among more recent theories that seek to explain violent human behavior through examination of individual physical characteristics is the approach based on the finding that certain violent criminals have a rare chromosomal abnormality called XYY Jacobs, Brunton, and Melville 1965.

Sexual Homicide Robert K. Ressler 1992

Among more recent theories that seek to explain violent human behavior through examination of individual physical characteristics is the approach based on the finding that certain violent criminals have a rare chromosomal abnormality called XYY Jacobs, Brunton, and Melville 1965.

Sexual Homicide Robert K. Ressler 1992

There are herm@phrodites, males with female dna, females with male dna, people with XXY and XYY.

Think Progress » ACLU will sue high school that canceled prom to stop lesbians from attending. 2010

The Baby Boom cohort isn't going to be a crippling financial burden for Generation X, Generation Y, Generation XYY, or any other generation.

Richard (RJ) Eskow: Too Old to Rock 'n' Roll, Too Young to Die Ruin Social Security 2010

The Baby Boom cohort isn't going to be a crippling financial burden for Generation X, Generation Y, Generation XYY, or any other generation.

Richard (RJ) Eskow: Too Old to Rock 'n' Roll, Too Young to Die Ruin Social Security 2010

The Baby Boom cohort isn't going to be a crippling financial burden for Generation X, Generation Y, Generation XYY, or any other generation.

Richard (RJ) Eskow: Too Old to Rock 'n' Roll, Too Young to Die Ruin Social Security RJ 2010

Bear in mind that basic biology classes generally cover XX, XY, and possibly XYY, and that's about it.

The Infinite Zoe Brain 2007

Men with Jacob syndrome — an extra Y chromosome, XYY — were usually tall, and often developed acne.

Soul Learner_Tobsha 2006

XXY and XO as well as the controversial XYY and XXX.

Need Evidence that Gender is Socially Constructed? 2006

You have sex chromosomes, which, in my understanding, can align XXX, XXY, XX, XY, XYY ? and probably many more combinations.

On Transgender, Transsexuals, and Entrenching the Binary Gender System 2006