The Challenger Expedition ( 1872-1876 ) Was a Unique and Historic

question 19

Multiple Choice

The Challenger expedition ( 1872-1876 ) was a unique and historic voyage. Why?

• A) It is the longest continuous scientific oceanographic expedition on record.
• B) Its scientists developed the first reliable navigational charts to indicate current and wind patterns.
• C) It was the first expedition to use an echo sounder to study the seafloor.
• D) It proved the hypothesis that life could not exist in the deep sea.

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Definitions:

Monosomic

A genetic condition in which an organism is missing one chromosome from a pair, leading to potential developmental abnormalities.

Genomic Imprinting

A genetic phenomenon by which certain genes are expressed in a parent-of-origin-specific manner.

Progeny

The offspring or descendants of an organism.

Genotype

The genetic constitution of an organism, determining its specific traits and potential offspring characteristics.