In Twin Studies, 'Environmental Factors' Are Any Factors Not Inherited

question 12

Multiple Choice

In twin studies, 'environmental factors' are any factors not inherited from parents' DNA. These would include:

• A) methylation of fetal DNA due to smoking during pregnancy.
• B) random mutation during early embryonic development.
• C) availability of folic acid during pregnancy.
• D) viral infection during pregnancy.
• E) All of the above

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Definitions:

Lookup Settings

Configuration options in a database or application that determine how data lookup operations are performed, often impacting the performance and results of such operations.

Table Datasheet View

A layout in database applications that displays data in rows and columns, similar to a spreadsheet.

Database Documenter

A tool or feature that generates documentation of a database schema and its elements, detailing tables, fields, relationships, and other components.

Table Relationships

The associations between tables in a database, defined by foreign keys, that dictate how data is linked and can be queried across tables.