chromosomes

  • Kinky sex genes discovered in Australian dragons

    Junk DNA distorts chromosomes into female shape in dragon lizards.

    A team of Australian geneticists has discovered that the gene that determines the sex of dragon lizards works differe...

    Biology January 21, 2022
  • Crossing over: how are genes shuffled?

    Small proteins clustered along a chromosome help crossing over to increase genetic diversity.

    A new discovery has explained how proteins help chromosomes shuffle genes – crossing over – during meiosis to make a ...

    Biology August 3, 2021
  • Genetic ‘toxic masculinity’ fells male flies

    Scientists find that Y chromosome features may shorten male fly lifespan.

    Males of many animal species, including humans, are known to have shorter lifespans than females. Now, scientists fro...

    Biology April 23, 2021
  • Gender plays a role in transplant success

    X and Y chromosomes may influence rejection.

    Different hormones produced by men and women may influence the success of organ transplants, a new report finds. A p...

    Medicine March 25, 2018
  • Watch DNA at work

    This video shows the intricate dance of chromosomes bringing genes together.

    Inside the nucleus of each human cell are two metres of DNA, bundled tightly into 46 chromosomes. The long molecules...

    Biology October 12, 2017
  • The inner life of a dividing human cell

    High-resolution microscopy sheds light on regulated replication of chromosomes.

    This is a human cell preparing to divide. Over the course of an average life, the estimated 37 trillion cells in our ...

    Biology July 30, 2017
  • Technicolor chromosomes

    Tagging regulator proteins reveals ways that cells control activity of genes.

    A microscopy image of the complete set of chromosomes in a 2-cell stage mouse embryo reveals chemical tags that decor...

    Biology July 19, 2017
  • Miscarriages in women over 40 causes

    Lack of the protein securin plays a significant role.

    The majority of miscarriages occur due to the embryo having an unusual number of chromosomes, an event that is partic...

    Biology May 21, 2017