Multiple Choice
What evidence supports the Ohno suggestion about vertebrate evolution from ancestral invertebrates by whole-genome duplication?
A) Modern vertebrates have four times the number of certain groups of genes compared to their homologues in amphioxus.
B) Modern vertebrates and amphioxus have exactly the same number of certain groups of genes.
C) Modern vertebrates have six times the number of certain groups of genes compared to their homologues in amphioxus.
D) Amphioxus has four times the number of certain groups of genes compared to their homologues in modern vertebrates.
E) Amphioxus has eight times the number of certain groups of genes compared to their homologues in modern vertebrates.
Correct Answer:
Verified
Correct Answer:
Verified
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