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Latest Y chromosome Stories

2013-07-22 10:16:49

Painstaking new analysis of the genetic sequence of the X chromosome—long perceived as the "female" counterpart to the male-associated Y chromosome—reveals that large portions of the X have evolved to play a specialized role in sperm production.

Herd Fertility May Be Improved By Understanding The Gene-rich Y Chromosomes Of Bulls
2013-07-11 15:24:22

The Y chromosomes of cattle have more genes and are more active than the Y chromosomes of other primates, according to researchers.

Scientists Link Genetic Contributor To Heart Disease Risk
2013-06-18 19:28:45

Researchers have identified a potential genetic contributor that leads to an increased risk of heart disease in men.

Human Y Chromosome Found To Be Much Older Than Previously Believed
2013-03-06 05:56:19

Researchers have discovered a Y chromosome – the hereditary factor determining male sex – that dates back to 100,000 years before the oldest known anatomically modern human fossils.

2012-11-13 12:24:13

A new study published online today in Nature Genetics reveals a genetic link between chronic pancreatitis and alcohol consumption.

A Look At The Early Evolution Of Sex Chromosomes
2012-08-06 18:24:30

Two new studies offer insight into sex chromosome evolution by focusing on papaya, a multimillion dollar crop plant with a sexual problem (as far as growers are concerned) and a complicated past.

2012-05-08 10:53:13

The study, published yesterday in the journal Proceedings of the National Academy of Sciences (PNAS), looked at how genes on sex-linked chromosomes are passed down generations and linked to fertility, using the specific example of the W chromosome in female chickens.

Forensic-Science-Used-To-Determine-Whos-Who-In-Pre-Columbian-Peru.
2012-04-23 04:15:11

Analysis of ancient mitochondrial DNA (mtDNA) has been used to establish migration and population patterns for American indigenous cultures during the time before Christopher Columbus sailed to the Americas.

2012-03-08 10:44:37

The pulse quickens, the heart pounds and adrenalin courses through the veins, but in stressful situations is our reaction controlled by our genes, and does it differ between the sexes?

New Study Offers Evidence Against 'Rotting Y' Chromosome Theory
2012-02-23 06:04:12

Males of the world, fear not -- researchers have determined that the chromosome which determines maleness is not shrinking after all, and concerns that the gender could be headed for extinction are apparently unfounded.


Word of the Day
definiens
  • The word or words serving to define another word or expression, as in a dictionary entry.
The word 'definiens' comes from the Latin word 'definire', 'to define'.
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