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Y chromosome was born 180 million years ago: Study

Last Updated: Thursday, April 24, 2014, 12:47

Ever thought even in your wildest dream that a very, very long time ago, the X and Y chromosomes were identical, until the Y started to differentiate from the X in males? Read on.

Men at no imminent threat of extinction

Last Updated: Thursday, April 24, 2014, 11:55

Researchers have said that the human Y chromosome has over the course of millions of years of evolution managed to preserve a small set of genes that has ensured not only its own survival but also the survival of men.

Down`s chromosome cause genome-wide disruption

Last Updated: Thursday, April 17, 2014, 04:38

The extra copy of Chromosome 21 that causes Down`s syndrome throws a spanner into the workings of all the other chromosomes as well, said a study published Wednesday that surprised its authors.

When multiple sex prevents male extinction!

Last Updated: Wednesday, April 02, 2014, 14:33

Promiscuous female fruit flies with high sex drives are key to preventing extinction of its male species, a study shows.

First functional `designer chromosome` in yeast developed from scratch

Last Updated: Friday, March 28, 2014, 14:29

Researchers have synthesized the first functional chromosome in yeast, an important step in the emerging field of synthetic biology, designing microorganisms to produce novel medicines, raw materials for food, and biofuels.

Decoded: Why chromosome errors are high in women`s eggs

Last Updated: Wednesday, March 19, 2014, 19:45

Scientists have revealed, for the first time, the mystery behind why chromosome errors are high in women`s eggs.

Men in no danger of becoming extinct!

Last Updated: Friday, January 10, 2014, 13:10

Researchers have dispelled the common notion that the Y`s genes are mostly unimportant and that the chromosome is destined to dwindle and disappear, after comparing Y chromosomes in eight African and eight European men.

Most common male and female ancestors lived around same time

Last Updated: Friday, August 02, 2013, 15:17

First full-chromosome sequencing effort has found that most recent male and female common ancestors lived around the same time.

Y chromosome much older than previously thought

Last Updated: Wednesday, March 06, 2013, 19:05

Researchers have discovered an extremely rare African American Y chromosome that pushes back the time of the most recent common ancestor for the Y chromosome lineage tree to 338,000 years ago.

Croaks help frogs locate mates with matching DNA

Last Updated: Wednesday, December 28, 2011, 15:39

Female tree frogs select mates by picking out the one which shares the same DNA as them.