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Mitochondrial DNA polymerase is necessary for the destruction of paternal mtDNA in fruit fly sperm, scientists show.

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image: Picturing Inheritance, 1916

Picturing Inheritance, 1916

By | May 1, 2016

This year marks the centennial of Calvin Bridges’s description of nondisjunction as proof that chromosomes are vehicles for inheritance.

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image: Mendel in the Hot Seat, 1902

Mendel in the Hot Seat, 1902

By | February 1, 2016

Raphael Weldon’s critiques of Mendelian principles were 100 years ahead of his time.

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image: Carry-On Luggage

Carry-On Luggage

By | December 1, 2015

Without a vacuole, cell-cycle progression stalls out in yeast cells.

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image: Ghosts in the Genome

Ghosts in the Genome

By | December 1, 2015

How one generation’s experience can affect the next

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image: Pregnancy Stress Spans Generations

Pregnancy Stress Spans Generations

By | August 7, 2014

The stressors a female rat experiences during pregnancy can have repercussions for her granddaughters, a study shows. 

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image: Half Genes, Half Environment

Half Genes, Half Environment

By | May 5, 2014

Examining more than 20 years of Swedish birth records, researchers determine that autism risk is influenced equally by genetic and environmental factors.

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image: Test Scores Are in the Genes

Test Scores Are in the Genes

By | December 16, 2013

More than school or family environment, a child’s genetics influences high school exam results.

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image: Inherited Fears

Inherited Fears

By | December 2, 2013

Mice appear to pass certain fears onto their offspring, according to a new study.

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image: Seeds Inherit Memories of Enemies

Seeds Inherit Memories of Enemies

By | May 31, 2012

Infested plants pass on a defense memory of pests and pathogens to help the next generation withstand invasions.

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