OBJECTIVE LIFE SCIENCE
EVOLUTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The more similar the sequences are, the faster the species will coevolve
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The more similar the sequences are, the more closely related the species are.
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The longer the sequences are, the earlier the species evolved in geologic history
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The longer the sequences are, the more adapted the species are to their environments.
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Detailed explanation-1: -All living organisms share fundamental molecules essential for life: DNA (deoxyribonucleic acid), RNA (ribonucleic acid), and proteins. In order to understand the evolutionary history of organisms, scientists compare these molecules between life forms, and also study patterns of change.
Detailed explanation-2: -Evidence for evolution: Molecular biology Like structural homologies, similarities between biological molecules can reflect shared evolutionary ancestry. At the most basic level, all living organisms share: The same genetic material (DNA) The same, or highly similar, genetic codes.
Detailed explanation-3: -Biologists have perfected techniques for determining the sequence of amino acids in proteins. By comparing the amino acid sequences in homologous proteins of similar organisms and of diverse organisms, evolutionary relationships that might otherwise go undetected can be determined.
Detailed explanation-4: -Molecular homology as evidence of relatedness between species including DNA and amino acid sequences, mtDNA (the molecular clock) and the DNA hybridisation technique.