Statistics on Stepfamilies Are Difficult to Attain, and the Statistics

question 14

Multiple Choice

Statistics on stepfamilies are difficult to attain, and the statistics we do have are probably

• A) overestimates.
• B) perfectly accurate.
• C) underestimates.
• D) completely unreliable.

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Definitions:

Neural Tube Defect

A type of birth defect of the brain, spine, or spinal cord that occurs in the early stages of pregnancy.

Spontaneously Aborted

A natural end of a pregnancy before it reaches full term without medical or surgical intervention.

Motility

Self-propulsion.

Sperm

The male reproductive cells that are responsible for fertilizing an egg during reproduction.