Question

wednesday, october 8 quiz factors influencing prenatal devleopment started: oct 8 at 2:14pm quiz instructions choose the best answer. there are qeustions from previous objectives included. you will be allowed 3 chances and highest grade will be recorded. this test will be avaible until thursday october 9 at 4pm question 19 3 pts this occurs when twins share one placenta. hypochondria twin to twin transfusion syndrome tay - sachs disease toxoplasmosis

Explanation:

Hypochondria is a psychological disorder not related to placental sharing in twins. Tay - Sachs disease is a genetic disorder and toxoplasmosis is an infection, neither related to twin - placental issues. Twin to Twin Transfusion Syndrome occurs when monozygotic (identical) twins share a single placenta and there is an unbalanced blood flow between them.

Answer:

Twin to Twin Transfusion Syndrome