Transgenic animals are useful in studying the effects of a gene product on the organism's phenotype. Briefly describe how you would study the effect of overexpression of a pancreatic enzyme using a transgenic animal
What will be an ideal response?
The gene of interest can be inserted into the organism's genome under the regulation of a pancreas-specific promoter. This will cause the enzyme to be overproduced in the pancreatic tissue, potentially resulting in a changed phenotype.
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What made the plant hybridization studies performed by Mendel more successful than plant hybridization studies performed by others?
A. Mendel did not use true-breeding organisms because he wanted to assess the inheritance of more than one trait per breeding. B. Mendel was the first to identify characteristics of pea plants that could be observed as phenotypes. C. Mendel's understanding of natural selection inspired his methodology to examine the effect of environmental stressors on genetic diversity. D. Mendel used statistical analysis to analyze the phenotypes he observed. E. Mendel used qualitative analysis to evaluate the genotypes he observed.
Tailless nonhuman primates are commonly called: (name the group)
a. anthropoid primates b. new world monkeys c. hominoids d. apes e. chimpanzees
Which of the following is human's closest living relative?
A) Gibbons B) Gorillas C) Chimpanzees D) Baboons
The Irish Potato Famine (from potato blight) was caused by a mildew that belongs to which group?
A) bacterium B) stramenopile C) foraminiferan D) apicomplexan E) virus