Genetically engineered humans: How do we decide when it’s ethical to create them?

3-21-2019 week human embryo x
Image: Bio Edge

Bioethicist Matthew Liao is open to genetic engineering in theory, but he says he was rather horrified to learn that twin girls had been born in China after a researcher genetically modified their embryos to resist HIV infection.

“My first reaction was, ‘This is really bad,’” recalls Liao.

…

Still, under the right circumstances, Liao, who served for two years on the Hinxton Group, which facilitates collaboration on stem cell research, believes genetic engineering can be used in an ethical way. And, in a paper in Bioethics, he puts forth a human rights-based approach to assessing which circumstances are right.

…

Liao introduces those principles with four “claims” on the ethics of genetic engineering:

Claim 1: it is not permissible to deliberately create an offspring that will not have all the fundamental capacities;

Claim 2: if such an offspring has already been created, it is permissible to bring that offspring to term;

Claim 3: it is not permissible to eliminate some fundamental capacity from an existing offspring; and

Claim 4: if it is possible to correct some lack of fundamental capacity—without undue burdens on parents or society—it may be impermissible not to do so.

Read full, original post: Is it ethical to genetically engineer people?

Related Articles

Infographic: Global regulatory and health research agencies on whether glyphosate causes cancer

Infographic: Global regulatory and health research agencies on whether glyphosate causes cancer

Does glyphosate—the world's most heavily-used herbicide—pose serious harm to humans? Is it carcinogenic? Those issues are of both legal and ...

Most Popular

Screenshot-2026-11-05-at-1.20.54-PM
$7.35 billion PFAS settlement: 3M to pay people who blame health problems on ‘forever chemicals’ phased out of firefighting foam for more than 20 years
ChatGPT-Image-Mar-10-2026-01_39_01-PM
Viewpoint—“Miracle molecule” debunked: Why acemannan supplements don’t work
Crumbling MAHA Stage Portrait
Cataloging the RFK Jr.-MAHA crushing midterm collapse
Blue Checklist in Centered Hand
Viewpoint: From Medicaid cuts to MAHA-backed anti-vaccine and chemical hysteria, voters reject Republicans’ science-skeptical agenda
Democratic Donkey Plowing at Sunset
Viewpoint: Democratic tsunami: As the red tide recedes, here are the most likely shifts in food and agricultural policy
Aerial Sprayer Over Gradient Fields
Farming, food, and chemicals: Post-midterms, the MAHA alliance between Democrats and MAGA Republicans is bruised but not cowed. What comes next?
Wave Crest Over Red Cross
Viewpoint: Here are the election-inspired Trump administration healthcare policy reversals expected in the coming months
Microscopic IVF Egg Injection
With technical barriers to human embryo editing falling, ethical concerns escalate
p22_spraying_2
How climate change is driving increased pesticide usage
Picture1
Viewpoint: How badly is the U.S. food-safety net fraying? FDA’s bungled handling of the tainted lettuce crisis deepens concerns over cuts to disease tracking and response
Hipster eugenics: better babies for billionaires
Viewpoint: “Positive eugenics”: Reviving a movement reviled and condemned for a century
Reaching Through the Woven Sky
Challenging genetic modification rejectionists: Our evolving food system has relied on science for thousands of years
Bayer Crop Circle in Golden Wheat
Making fertilizer from thin air: Bayer’s gene-editing innovation could dramatically cut chemical fertilizer use in growing food
Screenshot-2026-10-29-at-11.18.34-AM
Viewpoint: ‘Just the flu’: Skipping your child’s flu shot could be a fatal mistake
glp menu logo outlined

Get news on human & agricultural genetics and biotechnology delivered to your inbox.