If Total Population Is Measured, Where Does the United States

question 27

Multiple Choice

If total population is measured, where does the United States rank?

• A)First
• B)Second
• C)Third
• D)Fourth
• E)Fifth

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Definitions:

Gene Tree

Gene tree refers to the branched genealogical lineage of homologous alleles that traces their evolution back to an ancestral allele.

Species Tree

A representation of the evolutionary relationships among various species based on genetic data.

Coalescence Time

The time in the past where two or more gene sequences found in a sample population have a common ancestor.

Branch Lengths

In phylogenetics, measurements that represent the evolutionary distance or time between points in a phylogenetic tree.