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For Each Statement Below, Indicate Whether It Is TRUE or FALSE

Question 42

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For each statement below, indicate whether it is TRUE or FALSE, and explain why.

Premises:

Responses:

Most genes in vertebrates are unique, and only a few genes are members of multigene families.

False

To meet a challenge or develop a new function, evolution essentially builds from first principles, designing from scratch, to find the best possible solution.

True

Horizontal gene transfer is very rare and thus has had little influence on the genomes of bacteria.

Nearly every instance of DNA duplication leads to a new functional gene.

A pseudogene is very similar to a functional gene but cannot be expressed because of mutations.

Premises:

Most genes in vertebrates are unique, and only a few genes are members of multigene families.

To meet a challenge or develop a new function, evolution essentially builds from first principles, designing from scratch, to find the best possible solution.

Horizontal gene transfer is very rare and thus has had little influence on the genomes of bacteria.

Nearly every instance of DNA duplication leads to a new functional gene.

A pseudogene is very similar to a functional gene but cannot be expressed because of mutations.

Responses:

False

True

Correct Answer:

Premises:

Responses:

Most genes in vertebrates are unique, and only a few genes are members of multigene families.

To meet a challenge or develop a new function, evolution essentially builds from first principles, designing from scratch, to find the best possible solution.

Horizontal gene transfer is very rare and thus has had little influence on the genomes of bacteria.

Nearly every instance of DNA duplication leads to a new functional gene.

A pseudogene is very similar to a functional gene but cannot be expressed because of mutations.

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