Use the Following Figure to Answer the Question

question 69

Multiple Choice

Use the following figure to answer the question. Based on the information provided, which of the following represents the human impact on the global nitrogen cycle?

• A) industrial nitrogen fixation
• B) nitrogen lost to the atmosphere
• C) reduction of nitrogen available to terrestrial ecosystems
• D) reduction of nitrogen fixation by bacteria

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Definitions:

Nonhomologous Chromosome

Chromosomes that do not pair during meiosis, typically because they contain different sets of genes and are not identical in structure.

Translocation

Movement of a chromosomal segment from one chromosome to another nonhomologous chromosome, leading to abnormalities—e.g., Down syndrome.

XO Genotype

A genetic condition characterized by the presence of a single X chromosome and no second sex chromosome, leading to Turner syndrome in humans.

Turner Syndrome

A chromosomal disorder affecting females, characterized by the presence of a single X chromosome, leading to various physical and developmental issues.