If Humans Have 2,900 Mb, a Specific Member of the Lily

question 41

Multiple Choice

If humans have 2,900 Mb, a specific member of the lily family has 120,000 Mb, and a yeast has ~13 Mb, why can't this data allow us to order their evolutionary significance?

• A) Size matters less than gene density.
• B) Size does not compare to gene density.
• C) Size does not vary with gene complexity.
• D) Size is mostly due to "junk" DNA.
• E) Size is comparable only within phyla.