Comparison of the Same Gene and Its Product in Two

question 115

Multiple Choice

Comparison of the same gene and its product in two different animal species revealed that the amino acids are 98 percent identical but the nucleotides are only 86 percent identical.What accounts for the much higher amino acid identity than nucleotide identity?

• A) The genetic code is redundant.
• B) The genetic code differs between species.
• C) The researchers sequenced different template strands.
• D) The genetic code is nonredundant.
• E) The genetic code is ambiguous.

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Definitions:

Percent

A way of expressing a number as a fraction of 100, used to describe proportions or ratios.

DSM-5

The Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, a handbook used by healthcare professionals as the authoritative guide to the diagnosis of mental disorders.

Autism Spectrum Disorder

A developmental disorder characterized by difficulties in social interaction and communication, and by restricted or repetitive patterns of thought and behavior.

Asperger's Syndrome

A developmental disorder affecting ability to effectively socialize and communicate.