Molecular Techniques Have Revealed That ____ Caused the Loss of Forelimbs

question 61

Multiple Choice

Molecular techniques have revealed that ____ caused the loss of forelimbs in snakes.

• A) the absence of Hoxc6 and Hoxc8 genes in snake genomes
• B) selection in dinosaurian ancestors of snakes
• C) the lack of useful limbs
• D) mutations in limb buds
• E) changes in the spatial pattern of Hoxc8 gene expression

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Definitions:

Abstractions

The process of extracting the underlying essence or general principles of a concept or an observable phenomenon, often leading to a more generalized understanding.

Formal Operational

Refers to the stage of cognitive development in Piaget's theory where individuals develop the ability to think abstractly and reason logically.

Freud's Arguments

Refers to the theories and concepts developed by Sigmund Freud that suggest the human psyche is structured into three parts: the id, ego, and superego, emphasizing the role of unconscious processes in shaping behavior and personality.

Moral Thinking

The process of reasoning about what, morally, one ought to do, often involving considerations of rights, obligations, benefits to society, fairness, or virtue.