In early human embryos, the gene HoxB7 is involved in patterning the central nervous system. In later embryos, HoxB7 plays a critical role in growth and development of the kidney
These different functions of the same gene at different times and places are an example of ________. A) homology
B) taphonomy
C) pleiotropy
D) unconformity
E) constraint
C
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A farmer chooses not to grow the disease-resistant rice, even though all of his neighbors are
doing so. Is this the correct choice?
a. No, at least half of his crop will fail. b. Yes, some GMOs may have unknown side effects. c. Yes, this is a bioethical choice that must be decided by each individual. d. No, science has demonstrated that there are no long-term implications for using GMOs.
How are eukaryotic transcripts modified before they are used in protein synthesis?
What will be an ideal response?
A group of species at any taxonomic rank in a phylogeny is a
A. taxon. B. hierarchy. C. outgroup. D. genome. E. clade.
A statement such as "If human body temperature increases to a certain level, then critical proteins will be denatured" would most likely be associated with ________
A) inductive reasoning B) deductive reasoning C) a hypothesis D) a conclusion