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Home Q & A Board Biology-Related Homework Help Genetics and Developmental Biology
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13 years ago Edited: 13 years ago, bio_man
The pufferfish is, obviously, a fish, and a member of the vertebrate class of animals, as we are.  The complexity of the human genome is about 3,000 megabases (Mb), while that of the pufferfish is about 400 Mb.  Which two of the following reasons are most likely to contribute significantly to this difference?  Briefly explain your choices.
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Educator
13 years ago
What are your choices? Undecided
ppk Author
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13 years ago
Opps!

a) Pufferfish have many fewer genes than humans.
b) Pufferfish genes have smaller and fewer introns than the corresponding human genes.
c) Pufferfish genes have smaller and fewer exons than the corresponding human genes.
d) Pufferfish genes have smaller and fewer regulatory sequences than human genes.
e) Pufferfish have less intergenic DNA than humans.
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Educator
13 years ago
B and E
ppk Author
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13 years ago
Thanks Bio_man Smiling Face with Open Mouth
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bio_manbio_man
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