Because of complications during delivery of identical twins, "Baby A" is born vaginally while "Baby B" is born by cesarean section.As the twins have aged, Baby B alone has begun to experience rheumatoid arthritis (RA).Which explanation most likely accounts for the autoimmune disease endured by Baby B?
A) Baby B has led a more active lifestyle, contributing to joint degeneration.
B) Baby B has a genetic profile that is more predisposed to RA than Baby A.
C) Baby B has a microbiome consisting of species less well suited for human health.
D) Baby B has eaten a less diverse diet and not acquired health-promoting bacteria in her microbiome.
E) Baby B has been infected by a bacterium that causes RA.

Question

Quizplus · Accepted Answer

C) Baby B's microbiome, which could have been influenced by the mode of delivery (cesarean section), may consist of species less well suited for human health, potentially contributing to the development of autoimmune diseases like rheumatoid arthritis.

Because of Complications During Delivery of Identical Twins, "Baby A