Scientists close to eliminating male embryos in mice


Genetic researchers — and perhaps heroes to misandrists everywhere — have created a way to prevent male offspring from being born … in mice, at least.

The reproductive study, published in the molecular biology journal EMBO Reports, resulted in a 95% reduction in the number of male babies born to mice in their laboratory. Scientists believe the technique could be useful not for creating a feminist paradise, but to foster more human livestock management.

They also reject the proposition that the method shall be used in designer IVF pregnancies.

As with humans, mice inherit one sex chromosome from each parent: an X chromosome from the mother and either an X or Y from the father. Using CRISPR gene editing, scientists directed the mother and father’s DNA to suppress the enzymes necessary to develop the XY chromosomal determination for sex — which results in a male embryo.

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