In the text, the discussion revolves around the notion that many birth defects are linked to the blood relationship between parents, a concept called consanguinity. It suggests that when families intermarry, the genetic risks associated with their shared lineage increase, leading to a higher chance of deformities in their offspring.

Desdemona, one of the characters, expresses surprise and curiosity with her question, "From what?" This highlights her bewilderment regarding the origins of these birth defects and reflects a broader theme of understanding family history and genetics in the narrative.