If a Fraternal Twin Develops Schizophrenia, the Likelihood of the Other

question 15

Multiple Choice

If a fraternal twin develops schizophrenia, the likelihood of the other twin developing serious mental illness is much lower than with identical twins. This suggests that

• A) schizophrenia is caused by genes.
• B) schizophrenia is influenced by genes.
• C) environment is unimportant in the development of schizophrenia.
• D) identical twins are especially vulnerable to mental disorders.

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Definitions:

Optimal Solution

The best possible outcome or decision that can be made in a given situation, often determined through mathematical methods or algorithms.

Possible Routes

Potential paths or methods that can be taken in a process or towards a destination.

Northwest Corner Rule

An allocation technique used in transportation and logistics to minimize costs by initially assigning shipments to the cheapest routes starting from the northwest corner of a cost matrix and proceeding accordingly.

Intuitive Method

A cost-based approach to finding an initial solution to a transportation problem.