You Are Studying Three Populations of Birds

question 22

Multiple Choice

You are studying three populations of birds. Population A has ten birds, of which one is brown (a recessive trait) and nine are red. Population B has 100 birds, of which ten are brown. Population C has 30 birds, and three of them are brown.
-Which population is most likely to be subject to the bottleneck effect?

• A)Population A.
• B)Population B.
• C)Population C.
• D)They are all the same.
• E)It is impossible to tell from the information given.

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Definitions:

Alpha Level

A threshold set in statistical hypothesis testing, below which a null hypothesis is rejected, often set at 0.05.

One-Tailed Statistical Test

A hypothesis test that predicts the direction of the expected difference or relationship between variables.

Ratio Scale

A scale of measurement in which there is an absolute zero point, indicating an absence of the variable being measured. An implication is that ratios of numbers on the scale can be formed (generally, these are physical measures such as weight or timed measures such as duration or reaction time).

Ordinal Scale

A measurement scale that categorizes variables based upon their order or rank, without specifying the exact differences between ranks.