News Genetics

Chemical tags on DNA appear to differ between gay and straight men

Twin study shows distinct patterns of markers along stretches of the genome

gay pride flag

FLAGGED  A certain pattern of chemical tags on DNA shows up more often in gay men than in straight men, a controversial study in twins suggests.

Olga Besnard/Shutterstock

By Tina Hesman Saey

This article is only available to Science News subscribers.

Subscribers, enter your e-mail address to access our archives.

Not a subscriber?

Science News is a nonprofit.

Support us by subscribing now.

More Stories from Science News on Genetics

  1. twin girls
    Genetics

    Some identical twins don’t have identical DNA

    By Tina Hesman Saey
  2. Lake Baikal
    Genetics

    Plague may have caused die-offs of ancient Siberians

    By Bruce Bower
  3. Black-legged tick
    Health & Medicine

    How some ticks protect themselves from deadly bacteria on human skin

    By Erin Garcia de Jesus
  4. heterochromatin
    Genetics

    A key to the mystery of fast-evolving genes was found in ‘junk DNA’

    By Monique Brouillette
  5. Penicillin allergy medic-alert bracelet
    Genetics

    Penicillin allergies may be linked to one immune system gene

    By Jeanne Erdmann
  6. Plasmodium falciparum
    Microbes

    How malaria parasites hide from the human immune system

    By Erin Garcia de Jesus
  7. illustrated representation of the gene editing tool CRISPR/Cas9
    Genetics

    Gene-editing tool CRISPR wins the chemistry Nobel

    By Tina Hesman Saey
  8. representational illustration of hepatitis C virus
    Health & Medicine

    Hepatitis C discoveries win 2020 Nobel Prize in physiology or medicine

    By Tina Hesman Saey

From the Nature Index

Paid Content