Final answer:
The exact heritability percentage of schizophrenia for identical twins is not provided in the question, but research indicates significant genetic influence on the development of the disorder.
Step-by-step explanation:
The heritability of schizophrenia for identical twins is a complex issue that involves understanding the interplay between genetics and environment. While specific percentage figures for the heritability rate are not provided, the question points to the need to consider such research findings in explaining the genetic predisposition to schizophrenia.
The Minnesota Study of Twins Reared Apart and subsequent studies by researchers like Tienari et al. indicate the significance of genetics in the development of schizophrenia, highlighting that a person's genetic makeup significantly influences the likelihood of developing the condition. However, without the explicit figures from these studies, a precise percentage cannot be provided, but it is clear from the studies mentioned that genetics play a critical role, and the heritability is significant.