Why Would Gene Duplication Events, Such as Those Seen in the Hox

question 3

Multiple Choice

Why would gene duplication events, such as those seen in the Hox gene complex, set the stage for adaptive radiation?

• A) There are more copies of genes, meaning speciation had occurred by polyploidy.
• B) The original gene copy is the outgroup, and the new gene copies are the adaptive radiation.
• C) Without duplicated genes, species would be vulnerable to extinction.
• D) One copy of a gene can perform the original function, while other copies are available to take on new functions.

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