Researchers Staged an Incident in Which a Man Fell Down

question 105

Multiple Choice

Researchers staged an incident in which a man fell down with a cry of pain and raised his pant leg to reveal a bloody injury. The staged scene was repeated in both rural and urban areas. When Amato counted the number of passersby who stopped to help the man, he found that __________.

• A) no matter where the staged incident occurred, people were equally likely to help
• B) people in small towns helped more than people in urban areas
• C) because the man was a stranger, people in rural areas helped less
• D) women in rural areas helped more than men, but in urban areas there was no gender difference

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Definitions:

Allele Frequency

The relative frequency of an allele (variant of a gene) at a particular gene locus in a population, expressed as a fraction or percentage.

Heterozygous Individuals

Organisms having two different alleles for a specific gene, one inherited from each parent.

Positive Assortative Mating

A mating pattern where individuals with similar phenotypes or genotypes are more likely to mate with each other than by chance.

Homozygosity

Homozygosity is a genetic condition in which an individual has two identical alleles for a particular gene or genes.