sex chromosomes

Boa constrictor has ‘virgin birth’


November 4th, 2010 - 4:14 pm ICT by ANI
Washington, Nov 4 (ANI): Scientists have discovered that female boa constrictors can produce offspring without mating - a rare phenomenon among vertebrates.Researchers at the North Carolina State University the finding shows that ... Read more...

Posted in Health Science |

Young infertile men more prone to have prostate cancer


March 23rd, 2010 - 1:44 am ICT by IANS
London, March 23 (IANS) A new study has revealed that young men who are infertile are at two-fold risk of developing prostate cancer in later life. The study involving more than 20,000 men ... Read more...

Posted in Health |

Chickens With Sexual-Identity Issues Can’t Blame Hormones


March 15th, 2010 - 7:31 pm ICT by GD
By Gina Gomez Mar 15, (THAINDIAN NEWS) A new research that was undertaken by scientists at the Roslin Institute and the University of Edinburgh has provided revealing insights into the mystery which renders ... Read more...

Posted in Health |

Why some chickens are half male and half female


March 11th, 2010 - 3:16 pm ICT by ANI
London, March 11 (ANI): A new study have solved a puzzle that has baffled scientists for centuries - why some birds appear to be male on one side of the body and ... Read more...

Posted in Health Science |

Tigers are more ancient than previously believed


February 13th, 2010 - 2:17 pm ICT by ANI
London, Feb 13 (ANI): A genetic analysis has revealed that the tiger began evolving 3.2 million years ago, along with the snow leopard, which means it is more ancient and distinct than ... Read more...

Posted in Health Science |

Y chromosomes evolving much faster in humans


January 16th, 2010 - 2:49 pm ICT by IANS
Washington, Jan 16 (IANS) The Y chromosome, one of the two sex determining chromosomes in mammals, including humans, is evolving much faster through continuous renovation contrary to the popular theory that it ... Read more...

Posted in Sci-Tech |

Gene behind some forms of intellectual disability identified


December 16th, 2009 - 12:30 pm ICT by ANI
Washington, Dec 16 (ANI): Scientists at the Centre for Addiction and Mental Health (CAMH) have identified a gene, called TRAPPC9, which is involved in some forms of intellectual disability.Two international research teams ... Read more...

Posted in Health Science |

Giant panda’s genome code reveals its carnivorous side


December 14th, 2009 - 2:41 pm ICT by ANI
London, December 14 (ANI): The complete genetic sequence of the giant panda has revealed the iconic Chinese bear's carnivorous side, by finding that the animal has all the genes required to digest ... Read more...

Posted in Health Science |

Mechanism for evolution of sex chromosomes identified by scientists


October 2nd, 2009 - 4:56 pm ICT by ANI
Washington, October 2 (ANI): In a new research, biologists have genetically mapped the sex chromosomes of several species of cichlid fish from Lake Malawi, East Africa, and identified a mechanism by which ... Read more...

Posted in Health Science |

Male sex chromosome facing extinction due to rapid evolution


July 17th, 2009 - 1:31 pm ICT by ANI
Washington, July 17 (ANI): A new research has revealed that the sex chromosome that only males carry is deteriorating and could disappear within a few million years.Scientists at Penn State University (PSU) ... Read more...

Posted in Health Science |

Male sex chromosome on way to extinction


July 17th, 2009 - 12:31 pm ICT by IANS
Washington, July 17 (IANS) The sex chromosome that only males carry is deteriorating and could disappear within a few million years. A pair of Penn State University (PSU) scientists discovered that the male ... Read more...

Posted in Sci-Tech |

‘Men on the road to extinction’


May 21st, 2009 - 1:36 pm ICT by ANI
London, May 21 (ANI): Men are on the road to extinction, a leading researcher has said.Professor Jennifer Graves, a leading researcher in human sex chromosomes, claims the male Y chromosome was dying ... Read more...

Posted in Health Science |

Global warming might lead to birth of too many male fish


December 26th, 2008 - 3:37 pm ICT by ANI
Washington, Dec 26 (ANI): A new study has determined that global warming might be leading to the birth of too many male fish.According to a report in Live Science, some ... Read more...

Posted in Health Science |

Ancient mass migration of men from Africa populated world


December 22nd, 2008 - 4:12 pm ICT by IANS
Washington, Dec 22 (IANS) Modern humans quit Africa over 60,000 years ago in a migration that many believe populated the earth. Now, researchers have revealed that men and women weren't equal partners ... Read more...

Posted in World |

Men outnumbered women in African exodus 60,000 years ago


December 22nd, 2008 - 12:41 pm ICT by ANI
Washington, Dec 22 (ANI): A new genetic study has revealed that men probably outnumbered women in the mass exodus 60,000 years ago, when modern humans left Africa.Researchers believe that the particular ... Read more...

Posted in Health Science |

Diseased foetal heart can regenerate itself


October 16th, 2008 - 12:53 pm ICT by IANS
London, Oct 16 (IANS) If the heart becomes diseased during its embryonic development, it can regenerate itself to such an extent that it is fully functional by birth, provided some of the ... Read more...

Posted in Uncategorized |

Study reveals how males make up for their X chromosome shortage


May 30th, 2008 - 6:06 pm ICT by admin
Washington, May 30 (ANI): Uncovering new insights into how sex chromosomes are regulated, researchers at European Molecular Biology Laboratory (EMBL) in Heidelberg, Germany, and the EMBL-European Bioinformatics Institute (EMBL-EBI) in Hinxton, ... Read more...

Posted in Life Style |

Scientists discover novel gene for new form of intellectual disability


April 25th, 2008 - 4:00 pm ICT by admin
Washington , Apr 25 (ANI): Researchers at The Centre for Addiction and Mental Health (CAMH) have found that a gene, called CC2D2A, causes a previously unidentified form of intellectual disability, characterised ... Read more...

Posted in Health Science |

Fungi may help unravel the origin of sex chromosomes


March 18th, 2008 - 1:02 pm ICT by admin
Washington, March 18 (ANI): Swedish researchers have found that there are striking similarities between the parts of DNA that determine mating types in certain fungi and the parts of DNA that ... Read more...

Posted in South Asia |

Earliest evolved forms of fungus shed light on how the sexes evolved


January 10th, 2008 - 1:58 pm ICT by admin
London, Jan 10 (ANI): Researchers at the Duke University Medical Center have found that some of the earliest evolved forms of fungus contain clues to how the sexes evolved in higher animals, ... Read more...

Posted in Health Science |

Female Chromosome ‘heavily influences’ origin of new species


November 14th, 2007 - 2:28 am ICT by admin
Read more...

Posted in Health |

Subscribe