Gene edited sex selection may spare animal suffering
A gene editing technique may prevent the slaughter of animals not needed by the livestock industry. …
If the father’s half of the gene editing molecule was on his Y chromosome, once it combines with the mother’s DNA containing the other half of the editing molecule, the resulting XY male embryo would have both parts of the molecule that deactivates the gene, preventing further development. But all the female embryos, which did not inherit the molecule from the father, would develop normally.