About 15 People Are Waiting at a Bus Stop After

question 139

Multiple Choice

About 15 people are waiting at a bus stop after dark.Flames suddenly begin to shoot out the window of a house across the street.Someone instantly calls the fire department while several other people run across the street to alert those in the house.Why did the bystander effect not occur in this situation?

• A)Everyone is afraid of fire.
• B)The bystander effect did occur.
• C)It was after dark and therefore people were more willing to help.
• D)The situation was clearly an emergency.

---

Definitions:

Homozygous Normal

A genetic condition where an individual has two identical alleles for a trait that are considered the standard or "normal."

Heterozygous

Having two different alleles at the same locus on a chromosome, resulting in genetic variation for a particular trait.

Gene Therapy

Gene therapy is a medical treatment designed to rectify genetic disorders by introducing, removing, or altering genetic material within a patient's cells.

Mutant Allele

A version of a gene that has undergone a mutation, causing it to differ from the normal allele and possibly lead to a different trait or phenotype.