News tagged with male sex chromosome

Men can rest easy -- sex chromosomes are here to stay

Fears that sex-linked chromosomes, such as the male Y chromosome, are doomed to extinction have been refuted in a new genetic study which examines the sex chromosomes of chickens.

Biology / Biotechnology

created May 08, 2012 | popularity 4.8 / 5 (4) | comments 2 | with audio podcast

'Achilles' heel' in Y chromosome linked to sex disorders

The unique mechanism behind the evolutionary survival of the human Y chromosome may also be responsible for a range of sex disorders, from failed sperm production to sex reversal to Turner Syndrome.

Medicine & Health / Medical research

created Sep 03, 2009 | popularity 5 / 5 (1) | comments 0

Inbreeding insects cast light on longer female lifespans

Inbreeding can unexpectedly extend male lifespan. Insect experiments described in the open access journal BMC Evolutionary Biology have shown that, in seed beetles, inbreeding causes males to live longer, while shortening ...

Biology /

created Feb 06, 2009 | popularity not rated yet | comments 0




Search results for male sex chromosome


Not only humans compensate: Dosage compensation of sex chromosomes in plants

Swiss researchers have found evidence that plants also "invented" the dosage compensation of sex chromosomes. They detected this phenomenon in the white campion.

Biology / Biotechnology

created May 16, 2012 | popularity not rated yet | comments 0

Adam's rib, revisited: Evolutionary divergence of mammalian sex chromosomes

(Phys.org) -- Males and females... Mars and Venus... XY and XX chromosomes -- all are common memes. At the same time, the evolution of therian (placental and marsupial) sex chromosomes is less widely understood. ...

Biology / Evolution

created Apr 18, 2012 | popularity 4 / 5 (14) | comments 18 | with audio podcast feature

Promiscuous queen bees maintain genetic diversity

By mating with nearly 100 males, queen bees on isolated islands avoid inbreeding and keep colonies healthy.

Biology / Plants & Animals

created Apr 16, 2012 | popularity not rated yet | comments 0 | with audio podcast

Fortunately for men, size doesn't matter (much)

(PhysOrg.com) -- Researchers from The Australian National University have discovered that the male-specific Y-chromosome is shrinking – and it’s happening at different rates across species.

Biology / Plants & Animals

created Jan 10, 2012 | popularity 4.1 / 5 (7) | comments 2 | with audio podcast

Worms can evolve to survive intersex populations

(PhysOrg.com) -- Sexually reproducing species need at least two sexes in order to produce offspring, but there are many ways that nature produces different sexes. Many animals (including humans and other mammals) ...

Biology / Plants & Animals

created Dec 06, 2011 | popularity 4 / 5 (1) | comments 1 | with audio podcast

Scientists construct, to maintain complementary DNA libraries of first lizard genome sequence

Scientists at Indiana University Bloomington's Center for Genomics and Bioinformatics are credited with constructing the cDNA libraries for the first-ever genome sequence of a non-bird reptile, the North American ...

Biology / Biotechnology

created Sep 30, 2011 | popularity 5 / 5 (1) | comments 0

Bijou's abnormally large clitoris leads to big surprise

Bijou is an 18-month old French bulldog that appears perfectly normal at first glance. She is healthy and her behavior is exemplary. However, her owner brought her to the Université de Montréal Faculty ...

Biology / Plants & Animals

created Sep 22, 2011 | popularity 5 / 5 (4) | comments 2

New thinking on regulation of sex chromosomes in fruit flies

Fruit flies have been indispensible to our understanding of genetics and biological processes in all animals, including humans. Yet, despite being one of the most studied of animals, scientists are still finding the fruit ...

Biology / Biotechnology

created Sep 19, 2011 | popularity not rated yet | comments 0 | with audio podcast

First German genome comprehensively resolved at its molecular level

Max Planck researchers analyze the two chromosome sets in the human genome separately for the first time.

Biology / Biotechnology

created Sep 12, 2011 | popularity 5 / 5 (2) | comments 0

Mother tongue comes from your prehistoric father

(PhysOrg.com) -- Language change among our prehistoric ancestors came about via the arrival of immigrant men - rather than women - into new settlements, according to new research.

Other Sciences / Archaeology & Fossils

created Sep 09, 2011 | popularity 4.2 / 5 (6) | comments 2 | with audio podcast


List of search results for male sex chromosome