Which of the Following Meets the Requirements of a Stratified

question 1

Multiple Choice

Which of the following meets the requirements of a stratified random sample?

• A) A population contains 10 members under the age of 25 and 20 members over the age of 25. The sample will include six people who volunteer for the sample.
• B) A population contains 10 members under the age of 25 and 20 members over the age of 25. The sample will include six people chosen at random, without regard to age.
• C) A population contains 10 members under the age of 25 and 20 members over the age of 25. The sample will include six males chosen at random, without regard to age.
• D) A population contains 10 members under the age of 25 and 20 members over the age of 25. The sample will include two people chosen at random under the age of 25 and four people chosen at random over 25.

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Definitions:

RNA Polymerase

An enzyme responsible for copying a DNA sequence into an RNA sequence, during the process of transcription.

Promoter Sequence

A promoter sequence is a region of DNA that initiates transcription of a particular gene, controlling gene expression.

PAX6 Gene

A gene crucial for the development of the eyes, brain, and pancreas in mammals, mutations in which can lead to various eye disorders.

Eyeless Mutant

A type of mutation, often studied in genetic research, that results in the absence of eyes in organisms due to specific genetic alterations.