7 Questions
What is a phylogenetic tree?
A representation of the evolutionary relationships in the line of descent from a common ancestor
Which of the following is true about viruses?
They consist of genetic material protected by a capsid and an envelope
Why are viruses not considered living organisms?
Because they lack the ability to replicate on their own
What is the 'Viral Fossil Record' mentioned in the passage?
An inference and tracing back of the history of viral evolution using current genetic information
What molecule are viruses unable to synthesize?
ATP
What percentage of the human genome is estimated to comprise retroviral DNA segments?
8%
How can studying viral infections in modern genomes help identify prior selection of advantageous antiviral genes?
By examining how these infections led to new defense mechanisms
Explore the methods used to study biological evolution, including the analysis of fossil records, reconstruction of DNA sequences, and the construction of phylogenetic trees. Gain insight into the complex evolutionary relationships among different organisms.
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