X hits on this document

Powerpoint document

TWO ADDITIONAL COMPONENTS OF HUMAN SEXUALITY - page 10 / 29

105 views

0 shares

0 downloads

0 comments

10 / 29

SEXUAL ORIENTATION

Studies done in 1991 on twins

Males:

In identical twins, when one twin is gay about 52% of the time the other twin is also gay

In fraternal twins when one is gay about 22% of the time the other twin is also gay

In male siblings when one is gay about 13% of the time the brother is also gay

Document info
Document views105
Page views105
Page last viewedMon Jan 23 08:46:48 UTC 2017
Pages29
Paragraphs310
Words1767

Comments