It Is Difficult to Ascertain the Direct Influence of a Mother's

question 53

Multiple Choice

It is difficult to ascertain the direct influence of a mother's

• A)marijuana users do not generally participate in studies.
• B)pregnant women who use marijuana tend to be poorer, less educated, use more other illegal drugs, and receive less prenatal care than non-marijuana users.
• C)marijuana is not regularly used in the United States.
• D)marijuana is not generally considered a risk factor.

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Definitions:

Molecular Phylogenetics

A branch of phylogenetics that analyzes genetic, hereditary molecular differences, principally in DNA sequences, to gain information on an organism's evolutionary relationships.

Extinct Species

Species that no longer exist, with no living individuals left anywhere on Earth.

DNA Sequences

DNA sequences are the specific arrangements of nucleotides (adenine, thymine, cytosine, and guanine) on a strand of DNA that encode the genetic information of an organism.

Gene Flow

Describes the movement, or migration, of alleles from one population to another.