
Concept explainers
Review Burning Question 11.11, which describes the difference between selective breeding and genetic engineering. Why do you think that selectively bred plants are generally acceptable to consumers, whereas many people avoid genetically engineered foods? Some scientists are suggesting “rewilding” crops—that is, genetically modifying crop plants to restore genes that were bred out many generations ago. The genes, which would come from ancient plant varieties that had not undergone selective breeding, might improve drought tolerance or confer other useful traits. Do you think the resulting plants, which would technically be genetically modified organisms, would be more acceptable to consumers than plants receiving genes from a bacterium? Why or why not?

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Chapter 11 Solutions
BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
- Briefly state the physical meaning of the electrocapillary equation (Lippman equation).arrow_forwardExplain in a small summary how: What genetic information can be obtained from a Punnet square? What genetic information cannot be determined from a Punnet square? Why might a Punnet Square be beneficial to understanding genetics/inheritance?arrow_forwardIn a small summary write down:arrow_forward
- Not part of a graded assignment, from a past midtermarrow_forwardNoggin mutation: The mouse, one of the phenotypic consequences of Noggin mutationis mispatterning of the spinal cord, in the posterior region of the mouse embryo, suchthat in the hindlimb region the more ventral fates are lost, and the dorsal Pax3 domain isexpanded. (this experiment is not in the lectures).a. Hypothesis for why: What would be your hypothesis for why the ventral fatesare lost and dorsal fates expanded? Include in your answer the words notochord,BMP, SHH and either (or both of) surface ectoderm or lateral plate mesodermarrow_forwardNot part of a graded assignment, from a past midtermarrow_forward
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