Although Identical Twins Share 100% of Their Genetic Code and Are

question 69

Multiple Choice

Although identical twins share 100% of their genetic code and are often similar, they are never truly "identical." Which of the following explains these differences?

• A) ​heterozygous chromosomal deviations
• B) ​active gene-environment relationships
• C) ​post-natal genetic mutations
• D) ​nonshared environmental influences

---

Definitions:

Learning

The process of acquiring new understanding, knowledge, behaviors, skills, values, attitudes, and preferences.

Biofeedback Training

A technique that teaches individuals to improve their health by controlling certain bodily processes that normally happen involuntarily.

Operant Conditioning

A learning process through which the strength of a behavior is modified by reinforcement or punishment, introduced by B.F. Skinner.

Unconditioned Response

A naturally occurring response to an unconditioned stimulus, such as salivating when smelling food.