Why are some twins more identical than others? | A Current Affair

One in 250 pregnancies leads to identical twins, but how identical are they really? As they grow, science is uncovering how nature and nurture shape their similarities and differences in surprising ways. (Broadcast June 21st, 2025) | Subscribe here: http://9Soci.al/v6PJ50GjSKI Stream full episodes on 9Now: https://9now.app.link/5Kxzlq5dX6 Follow ACA on Facebook:   / acurrentaffair9   Follow ACA on TikTok:   / acurrentaffair9   Follow ACA on Instagram:   / acurrentaffair9   A Current Affair covers the realms of politics, crime, human rights, science, technology, celebrities and entertainment - all investigated by a dedicated team. A Current Affair airs weeknights at 7.00pm on Channel 9 #9ACA #ACurrentAffair