Xan's Offspring Is in the Embryonic Stage of Development

question 145

Multiple Choice

Xan's offspring is in the embryonic stage of development. All but which of the following are occurring for Xan's offspring?

• A)The neural tube is forming.
• B)The head and blood vessels are forming.
• C)A primitive heart has taken shape and begins beating.
• D)The major organs are beginning to take shape.
• E)The offspring has grown from one ounce to two pounds.

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Definitions:

Gene-environment Correlation

The concept that an individual's genes influence the environments they are exposed to, leading to situations where genetic and environmental factors are correlated.

Baby Talk

A form of speech characterized by simplified language, higher pitch, and exaggerated intonation used when speaking to infants.

Identical Twin Study

Research that compares identical twins to determine the relative influence of genetics versus environment on various traits or conditions.

Genes

Units of heredity made up of DNA that are responsible for the inherited traits and characteristics of organisms.