Analyses of Molecular Sequences for Study of Evolutionary Relationships Are

question 92

Multiple Choice

Analyses of molecular sequences for study of evolutionary relationships are constrained by ____.

• A) the fact that every base in a nucleic acid serves as a separate, independent character for analysis
• B) the presence of many genes that have been conserved by evolution
• C) the limited number of nucleotide characters, making it difficult to determine whether genetic similarities between species are homoplastic or homologous
• D) the usefulness of genes for studying only closely related species that have minor morphological differences
• E) nucleic acids that are not directly affected by the developmental or environmental factors that cause nongenetic morphological variations

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