In spina bifida, which statement about genetics is most accurate?

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Multiple Choice

In spina bifida, which statement about genetics is most accurate?

Explanation:
Spina bifida arises from a combination of genetic susceptibility and environmental factors, not from random chance alone. There is a hereditary component, and families with an affected child have a higher risk of recurrence in future pregnancies than the general population. This reflects multifactorial inheritance, where multiple genes interact with environmental factors (like folate status) to influence risk. Therefore, the statement that genetics can play a role and that a family history increases risk in future pregnancies is the most accurate.

Spina bifida arises from a combination of genetic susceptibility and environmental factors, not from random chance alone. There is a hereditary component, and families with an affected child have a higher risk of recurrence in future pregnancies than the general population. This reflects multifactorial inheritance, where multiple genes interact with environmental factors (like folate status) to influence risk. Therefore, the statement that genetics can play a role and that a family history increases risk in future pregnancies is the most accurate.

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