If you could travel in a time machine back to the Cambrian Explosion, which animals would you expect to see commonly? Check all that apply.
A. arthropods.
B. birds.
C. flatworms.
D. sponges.
E. reptiles.
Answer: D
Biology & Microbiology
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Familial Down syndrome is a result of
A. inversion. B. deficiency. C. gene duplication. D. translocation
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Cri-du-chat syndrome is a human disorder caused by which type of chromosomal defect?
What will be an ideal response?
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Flagellated Protista probably gave rise to
A. Archaea. B. Animalia. C. Fungi. D. Plantae.
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Transposons can be deleterious to a host genome because they can:
a. disrupt a protein coding sequence. b. disrupt regulatory elements. c. generate mutations. d. cause recombination errors. e. All of the above.
Biology & Microbiology