Development of an animal is connected to the genes that are expressed during development. Researchers propose that ...
A. increases in the number of Hox genes have been instrumental in the evolution of many animal species.
B. the greater the number of Hox genes the more complex the body plan of the animal.
C. both BMP4 and Hox are associated only with digit development in animals.
D. increases in the number of Hox genes have been instrumental in the evolution of many animal species and the greater the number of Hox genes the more complex the body plan of the animal are both correct.
E. increases in the number of Hox genes have been instrumental in the evolution of many animal species, the greater the number of Hox genes the more complex the body plan of the animal, and both BMP4 and Hox are associated only with digit development in animals are all correct.
D. increases in the number of Hox genes have been instrumental in the evolution of many animal species and the greater the number of Hox genes the more complex the body plan of the animal are both correct.
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Maxwell needs to take an anti-depressant drug. He enrolls in a clinical trial to detect genetic variants and gene expression profiles associated with response to various drugs. This approach to selecting a therapeutic drug is called
A) pharmacogenetics. B) pharmacogenomics. C) pharmacology. D) recombinant DNA technology.
When an earthworm is underground, which type of receptors will relay information on directional movement?
a. lateral line organs b. otoliths c. cristae d. stereocilia e. statocysts
You inflate a balloon and let it go. It shoots away as air exits forcefully through the balloon's narrow opening. This most closely resembles the mode of movement seen in
A) sea anemones. B) snails. C) squid. D) nematodes.
Which of the following organelles are most likely to be able to divide and reproduce much like a cell does?
A. both mitochondria and chloroplasts B. peroxisomes only C. mitochondria only D. chloroplasts only E. mitochondria, chloroplasts, and lysosomes