One of the Major Difficulties in Determining the Exact Effects

question 9

Multiple Choice

One of the major difficulties in determining the exact effects of maternal cocaine use on prenatal development is the fact that

• A) the infants are typically stillborn.
• B) cocaine use has dropped dramatically and mothers who used cocaine while pregnant are now hard to find.
• C) the effects appear to involve changes in zygotic DNA structure and our ability to identify such changes is limited by technology.
• D) pregnant mothers who are using cocaine are also often ingesting other harmful substances.

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Definitions:

Behavioral Traits

Characteristics of behavior that are consistent and observed in individuals across different situations.

Mutation

A change in the DNA sequence within a gene or chromosome of an organism resulting in the creation of a new character or trait not found in the parental type.

Genetic Material

Molecules inside cells that carry genetic information, primarily DNA or RNA, responsible for inheritance and guiding the development of organisms.

Genetic Mutations

Changes or alterations in the DNA sequence of an organism's genome, which can lead to variations in physical traits or cause diseases.