Fish Species’ Y Chromosomes Diverged Even Without Recombination
Fish Species’ Y Chromosomes Diverged Even Without Recombination
Researchers discover surprisingly high levels of genetic diversity among the colorful male morphs of a freshwater fish.
Fish Species’ Y Chromosomes Diverged Even Without Recombination
Fish Species’ Y Chromosomes Diverged Even Without Recombination

Researchers discover surprisingly high levels of genetic diversity among the colorful male morphs of a freshwater fish.

Researchers discover surprisingly high levels of genetic diversity among the colorful male morphs of a freshwater fish.

Y chromosome
Y Chromosome from Early Modern Humans Replaced Neanderthal Y
Y Chromosome from Early Modern Humans Replaced Neanderthal Y
Jef Akst | Sep 24, 2020
A selective advantage may have led the modern human Y chromosome to sweep through the Neanderthal population after it was introduced via interbreeding more than 100,000 years ago.
Male Flies’ Y Chromosome May Contribute to Earlier Deaths
Male Flies’ Y Chromosome May Contribute to Earlier Deaths
Jef Akst | Jul 13, 2020
As male Drosophila grow old, selfish genetic elements that are abundant on the Y chromosome become more active, which appears to reduce longevity.
Children of Extramarital Affairs Were and Are Rare: Study
Children of Extramarital Affairs Were and Are Rare: Study
Ashley Yeager | Nov 14, 2019
Using DNA data, researchers track family dynamics in Europe over the last 500 years and find socioeconomic status is related to married women having a child with a man other than their husband.
Scientists Destroy Entire Chromosome with CRISPR
Scientists Destroy Entire Chromosome with CRISPR
Kerry Grens | Aug 1, 2017
Multiple DNA breaks at either the centromere or the long arm of the mouse Y chromosome cause it to fragment and disappear.
Ancient Y Chromosome Analyzed
Ancient Y Chromosome Analyzed
Tanya Lewis | Apr 7, 2016
In-depth analysis of the Neanderthal Y chromosome offers insights into the ancient hominins’ split with modern humans.
Surrogate Genes Enable Reproduction
Surrogate Genes Enable Reproduction
Jyoti Madhusoodanan | Jan 28, 2016
Increasing the expression of two genes from non-Y chromosomes restores spermatogenesis in male mice that lack Y chromosomes.
Lost Y Chromosome Genes Found on Autosomes
Lost Y Chromosome Genes Found on Autosomes
Anna Azvolinsky | May 27, 2015
Mammalian Y chromosome genes with important functions are transferred to autosomal chromosomes more often than previously thought, a study shows.
Why, Oh Y?
Why, Oh Y?
Jef Akst | Jan 1, 2015
A toothpick and a bit of chance shaped David Page’s career, which he has dedicated to understanding the mammalian Y chromosome and fetal germ cell development.
Focus on Sex
Focus on Sex
Molly Sharlach | Dec 28, 2014
In 2014, new research findings and guidelines brought increased attention to biological differences between males and females.
Vanishing Y Chromosomes
Vanishing Y Chromosomes
Molly Sharlach | Dec 4, 2014
A new study reveals an association between smoking and rates of Y chromosome loss in blood cells, which may explain elevated cancer risk among male smokers.
Week in Review: April 21–25
Week in Review: April 21–25
Tracy Vence | Apr 25, 2014
Evolution of Y chromosome; delivering gene with “bionic ears”; diversity of an important cyanobacterium; charting genome-sequencing progress; blockbuster pharma deals
The Surprising Evolution of Sex Determination
The Surprising Evolution of Sex Determination
Rina Shaikh-Lesko | Apr 23, 2014
A detailed analysis of sex chromosomes finds unexpected evolution of functional Y chromosome genes across species.
Week in Review: November 18–22
Week in Review: November 18–22
Tracy Vence | Nov 22, 2013
Chilly mice develop more tumors; gut bacteria aid cancer treatment; two Y chromosome genes sufficient for assisted reproduction; HIV’s “invisibility cloak”
It Takes Two
It Takes Two
Jef Akst | Nov 21, 2013
Two genes from the Y chromosome are sufficient to generate male mice capable of fathering healthy offspring via an assisted reproductive technique.
Male Lineage Not Younger Than Females
Male Lineage Not Younger Than Females
Tracy Vence | Aug 2, 2013
Two genomic studies place the divergence of men from their most recent common ancestor nearer in time to that of women, though the field is far from a consensus.
The Spoils of War
The Spoils of War
Kerry Grens | Feb 1, 2013
Researchers read the marks of intense warfare and conquest in the genes of ancient native North Americans.