Which Source of Molecular Data Would Be Most Helpful for a Study

question 38

Multiple Choice

Which source of molecular data would be most helpful for a study of the evolutionary relationships of closely related species of flies?

• A) Chloroplast DNA
• B) Mitochondrial DNA
• C) The amino acid sequences of a protein found in all animals, such as cytochrome c
• D) Ribosomal RNA sequences
• E) Epigenetic markers that are due to environmental conditions

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Definitions:

Gene of Interest

A specific gene that researchers focus on for its potential role in disease or other important biological processes.

Functional Genomics

The study of the relationship between genes and their function, especially in the context of pathways and systems.

Genomic Sequence

A sequence of nucleotides in DNA or RNA that represents the genetic information of an organism.

Genes

Segments of DNA located on chromosomes that contain the instructions for the development, functioning, and reproduction of organisms.