Evolutionary Biologists Have Developed a Phylogeny for a Group of Mammals

question 58

Multiple Choice

Evolutionary biologists have developed a phylogeny for a group of mammals based on bone structure. Which of the following statements best predicts the phylogeny for the same group of mammals based on similarities and differences in the structure of a particular enzyme?

• A) The phylogeny would be different than the phylogeny based on bone structure.
• B) The phylogeny would be the same as the phylogeny based on bone structure.
• C) No prediction regarding the phylogeny could be made.
• D) The amino acid sequence for this particular enzyme would be identical in all species.

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Definitions:

Peripheral Nervous System

A part of the nervous system that consists of the nerves and ganglia outside of the brain and spinal cord.

Behavioral Geneticist

A scientist who studies the role of genetics in shaping behaviors, personality traits, and mental health disorders, often through twin and adoption studies.

Identical Twins

Twins that originate from a single fertilized egg that splits and develops into two genetically identical individuals.

Fraternal Twins

Twins that develop from two separate eggs fertilized by two different sperm, resulting in siblings that are genetically distinct.