Mutations in the Dystrophin Gene Cause Which Phenotype

question 4

Multiple Choice

Mutations in the dystrophin gene cause which phenotype?

• A) Duchenne muscular dystrophy
• B) Becker muscular dystrophy
• C) Congenital bilateral absence of the vas deferens
• D) Both A and B
• E) Both A and C

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Definitions:

Swings

Playground equipment consisting of a seat suspended by ropes or chains, used for moving back and forth.

Negative Reinforcement

A behavioral psychology concept where the removal of an unfavorable outcome or stimulus strengthens a behavior.

Nagging

Persistent and repetitive asking or demanding, often perceived as annoying or bothersome.

Positive Punishment

A concept in behaviorism where an undesirable behavior is followed by an unfavorable outcome or stimulus, with the intention of decreasing that behavior.