Eddie and Freddy Are Identical Twins Who Grew Up in the Same

question 105

Multiple Choice

Eddie and Freddy are identical twins who grew up in the same home but then went their separate ways after high school. Eddie moved to the Midwest and became a family farmer. Freddy moved to New York City and became a high-powered attorney. A university research project measures their DNA methylation levels at age 6, age 36, and age 60. Which statement MOST likely reflects the results?

• A) Eddie and Freddy will have virtually no differences in their methylation levels.
• B) Eddie and Freddy will have vastly different methylation levels at all ages.
• C) Eddie and Freddy's methylation levels at age 6 will be similar but will diverge as they get older.
• D) There is no way to predict Eddie and Freddy's comparative methylation levels.

Implement strategies for effective research and note-taking that prevent unethical practices such as cutting and pasting.

Demonstrate an understanding of the process and importance of proper organization in writing and speech preparation.

Apply techniques to improve public speaking skills and manage speech anxiety.

Understand the importance of adjusting content and delivery based on the audience and occasion in both writing and speaking.

---

Definitions:

Dizygotic Twins

Twins that are genetically different and are born from two separate eggs fertilized by two different sperm.

Heritability Coefficient

A statistical estimate that indicates how much of the variation in a trait within a population can be attributed to genetic differences among individuals.

Genetic Influences

The impact of genes inherited from one's parents on physical traits, behaviors, and susceptibility to certain conditions.

Behavior Geneticist

A scientist who studies the genetic and environmental influences on behaviors, often through twin studies and adoption studies.