The text says that bovine somatotropin can be given to cows to boost milk production. Suppose that it would be possible to alter the genes of cows so that the animals always made excess somatotropin. What concerns do you think people might have about
this procedure?
What will be an ideal response?
Some possible answers include the following: (1 ) The procedure might be too expensive for small dairy farmers, and the competition could drive them out of business. (2 ) There is uncertainty about the possible effect on people who drink the milk from such a cow. (3 ) There may be concerns that the genes might be accidentally transferred to animals in the surrounding areas, affecting them without our knowledge.
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A college campus - including the students, birds, trees, sidewalks, and air - makes up one complete ________.
A. organism B. community C. population D. ecosystem
Answer the following statements true (T) or false (F)
1. Somatic cell mutations are heritable. 2. Mutations can produce a polypeptide with increased function. 3. The timing of a mutation during development has negligible effects on the severity of the genetic defect. 4. Larger genes are usually more likely to incur a mutation than smaller genes.
Suppose that you are a botanist looking for new species of C4 plants. Where should you focus your search?
a. in Arizona b. in the Florida Everglades c. in an equatorial rainforest d. in Nova Scotia
Antibodies are ________
A) composed of four fatty acid chains
B) a type of lymphocyte
C) proteins with short carbohydrates attached
D) proteins consisting of four polypeptide chains