What Are Some Components of the Landscape Shown in This

question 30

Multiple Choice

What are some components of the landscape shown in this photograph?

• A)a natural stain on the outside of the rocks
• B)fractures and layers
• C)loose rocks covering a slope-forming unit
• D)rounding of the upper parts of the cliff
• E)all of these

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Definitions:

Dominant Gene

A gene that expresses its phenotype over another gene (the recessive gene) when the two are present in a heterozygous condition.

Huntington Disease

A hereditary neurodegenerative disease characterized by motor dysfunction, cognitive decline, and psychiatric issues.

Twenty-First Chromosome

One of the 23 pairs of chromosomes in humans, with an abnormality in this chromosome causing Down syndrome.

Down Syndrome

A genetic disorder caused by the presence of all or part of a third copy of chromosome 21, associated with physical growth delays, characteristic facial features, and mild to moderate intellectual disability.