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image: Image of the Day: Colorful Chromosomes

Image of the Day: Colorful Chromosomes

By | March 16, 2017

This 3-D model of the mouse genome depicts the interactions between chromosomes within an embryonic stem cell.

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image: Five More Synthetic Yeast Chromosomes Completed

Five More Synthetic Yeast Chromosomes Completed

By | March 9, 2017

Members of the Synthetic Yeast Genome Project have synthesized five additional yeast chromosomes from scratch. 

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image: Early-Life Stress Affects Telomeres Later

Early-Life Stress Affects Telomeres Later

By | October 3, 2016

An accumulation of stressful events in childhood is associated with shorter telomeres as a person ages, researchers report. 

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image: Aneuploid Responses

Aneuploid Responses

By | May 1, 2016

A recent exchange of papers is divided over the evidence for compensatory gene expression among wild strains of aneuploid yeast.

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image: Meiotic Mysteries

Meiotic Mysteries

By | May 1, 2016

Understanding why so many human oocytes contain the wrong number of chromosomes

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image: A Scrambled Mess

A Scrambled Mess

By | May 1, 2016

Why do so many human eggs have the wrong number of chromosomes?

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image: First Data from Anti-Aging Gene Therapy

First Data from Anti-Aging Gene Therapy

By | April 25, 2016

A biotech company reports that an experimental treatment elongated its CEO’s telomeres. 

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image: X Marks the Sex-Skewed Spot

X Marks the Sex-Skewed Spot

By | March 7, 2016

Alterations in epigenetic markers on the X chromosome may be why males outnumber females among murine offspring bred through in vitro fertilization.

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image: Surrogate Genes Enable Reproduction

Surrogate Genes Enable Reproduction

By | January 28, 2016

Increasing the expression of two genes from non-Y chromosomes restores spermatogenesis in male mice that lack Y chromosomes.

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image: How Multicellularity Arose

How Multicellularity Arose

By | January 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. 

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