chromosomes
Image of the Day: Colorful Chromosomes
Image of the Day: Colorful Chromosomes
The Scientist Staff | Mar 16, 2017
This 3-D model of the mouse genome depicts the interactions between chromosomes within an embryonic stem cell.
Five More Synthetic Yeast Chromosomes Completed
Five More Synthetic Yeast Chromosomes Completed
Anna Azvolinsky | Mar 9, 2017
Members of the Synthetic Yeast Genome Project have synthesized five additional yeast chromosomes from scratch. 
Early-Life Stress Affects Telomeres Later
Early-Life Stress Affects Telomeres Later
Anna Azvolinsky | Oct 3, 2016
An accumulation of stressful events in childhood is associated with shorter telomeres as a person ages, researchers report. 
Meiotic Mysteries
Meiotic Mysteries
Karen Schindler | May 1, 2016
Understanding why so many human oocytes contain the wrong number of chromosomes
Aneuploid Responses
Aneuploid Responses
Catherine Offord | May 1, 2016
A recent exchange of papers is divided over the evidence for compensatory gene expression among wild strains of aneuploid yeast.
A Scrambled Mess
A Scrambled Mess
Karen Schindler | May 1, 2016
Why do so many human eggs have the wrong number of chromosomes?
First Data from Anti-Aging Gene Therapy
First Data from Anti-Aging Gene Therapy
Kerry Grens | Apr 25, 2016
A biotech company reports that an experimental treatment elongated its CEO’s telomeres. 
X Marks the Sex-Skewed Spot
X Marks the Sex-Skewed Spot
Rina Shaikh-Lesko | Mar 7, 2016
Alterations in epigenetic markers on the X chromosome may be why males outnumber females among murine offspring bred through in vitro fertilization.
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.
How Multicellularity Arose
How Multicellularity Arose
Jef Akst | Jan 11, 2016
Researchers identify a molecule that may have been key to the surprisingly common transition from single-celled ancestors to today’s complex, multicellular organisms.