One of the Reasons That Pufferfish Are a Good Species

question 1

Multiple Choice

One of the reasons that pufferfish are a good species to compare to humans is because

• A)it is so easy to hybridize the two and investigate the consequences.
• B)they are so distantly related that it's easy to distinguish mutually conserved sequences.
• C)the introns are often identical.
• D)of the rapid response time in pufferfish to artificial selection.

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Definitions:

Common Ancestor

An ancestor that two or more descendants have in common, where it is the most recent individual from which all organisms in a group directly descend.

Hox Genes

A group of related genes that control the body plan of an embryo along the head-tail axis.

WNT Genes

A family of genes that encode for signaling molecules involved in the regulation of embryonic development and the control of cell processes in adult animals.

Land Animals

Organisms that live primarily or exclusively on land, as opposed to aquatic or air environments.