Biology
12th Edition
ISBN: 9780078024269
Author: Sylvia Mader, Michael Windelspecht
Publisher: McGraw-Hill Education
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Chapter 27, Problem 3TS
In most parts of the world, commercial potato crops are produced asexually by planting tubers. However, in some regions. such as Southeast Asia and the andes, some potatoes are grown from true seeds. discuss the advantages and disadvantages of growing potatoes from true seeds.
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James is preparing a plate of papaya (Carica papaya) for his sleepover friends. As he cuts open the papaya, they discover numbers of slime-covered seed inside, surrounded by soft flesh and soft skin. Before papaya fruits ripen and the seeds inside them mature, their flesh is bitter or sour. Only later does it become tasty.Discuss how this feature improves the odds for the plant's reproductive success and identify the possible agents to disperse the seeds.
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Chapter 27 Solutions
Biology
Ch. 27.1 - Prob. 1CYPCh. 27.1 - Prob. 2CYPCh. 27.1 - Prob. 3CYPCh. 27.2 - Identify the origin of each of the three parts of...Ch. 27.2 - Explain why the seed coat and the embryo are both...Ch. 27.2 - Prob. 3CYPCh. 27.3 - Prob. 1CYPCh. 27.3 - Prob. 2CYPCh. 27.4 - Prob. 1CYPCh. 27.4 - Prob. 2CYP
Ch. 27.4 - Prob. 3CYPCh. 27 - Prob. 1E.1QCCh. 27 - Prob. 1E.2QCCh. 27 - Prob. 1ACh. 27 - Prob. 2ACh. 27 - Prob. 3ACh. 27 - Prob. 4ACh. 27 - Prob. 5ACh. 27 - Prob. 6ACh. 27 - Prob. 7ACh. 27 - Prob. 8ACh. 27 - Prob. 9ACh. 27 - Prob. 10ACh. 27 - Prob. 11ACh. 27 - Prob. 12ACh. 27 - Prob. 13ACh. 27 - Prob. 14ACh. 27 - Prob. 1TSCh. 27 - Prob. 2TSCh. 27 - In most parts of the world, commercial potato...
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- A nine-year research and experimentations have successfully developed rice plants with golden hue kernels instead of the usual white kernels. What is the advantage of this modified rice plant? Select one: To make the plant become resistant to herbivores. To provide sufficient rice produce due to its shorter cycle. To add nutritional value to the rice kernels. To allow easy harvesting and processing.arrow_forwardRice is a staple food in Asia. In the 1950s, Asia faced food shortages and an impending famine. If you have relatives that lived in Asia during the ’50s and ’60s, they may tell you that due to the rice shortage, many starved and those who were lucky had to supplement their diet with other crops, such as barley. In 1962, an organization focused on research and development of rice called the International Rice Research Institute (IRRI) developed a high-yielding variety of rice by crossing the two types of rice from Indonesia and China. The result was groundbreaking. The new variety called IR8 (India Rice 8) increased its yield as much as 10 times the traditional variety of rice. By the early 1970s, many rice farmers in India, the Philippines, and Vietnam switched to cultivating IR8 rice, making these countries into major rice exporters, preventing a mass famine in Asia, and saving millions of lives. In many major Canadian cities, a GMO-free, organic diet is becoming more popular, as can…arrow_forwardWhat risks are involved in genetic engineering of crop plants? How do these risks compare with other risks involved in traditional plant breeding?arrow_forward
- In ordinary English, we use the word fruit to mean something sweet and juicy; however, the following things are fruits: peanut shells, pea pods, bell peppers,and chili peppers. What is the characteristic that lets us know these really are fruits even though they are not sweet? In contrast, bananas are fruits that do not have this characteristic (they are sterile and new plants must be grown from buds that sprout near the base of the plant).arrow_forwardRefer to Figure 18. Are the storage roots of sweet potato ( Ipomoea batatas) and the tubers of potato ( Solanum tuberosum) analogous or homologous? Explain the answer brieflyarrow_forwardSome genetically modified plant varieties incorporate a “self-destruct gene”, which causes anyseed produced by the plants to be unable to germinate.a) What are some ecological advantages to these “self-destruct genes”? Explain youranswer.b) Identify another reason why the enterprises that developed these varieties might haveincorporated such genesarrow_forward
- In most parts of the world, commercial potato crops are producedasexually by planting tubers. However, in some regions, such asSoutheast Asia and the Andes, some potatoes are grown from trueseeds. Discuss the advantages and disadvantages of growingpotatoes from true seeds.arrow_forwardGenetically modified plants can be produced by transferring desired: Cytoplasm Carbohydrates Genes Proteinsarrow_forwardYou have been chosen as the lead student gardener for the CSUMB Future Farmers of America Club (FFAC). Your club is looking to you and your Bio211 plant experience to guide them. You arrive at the new FFAC garden plots where your club mates show you their cherry tree that they've been having trouble with. Originally, its leave would change color and fall off the tree, as expected, in the autumn. However, more recently the leaves started changing color and falling off in the spring time. Which hormone does the tree likely have in excess and why?arrow_forward
- When tomatoes are fully ripe, they develop bright red skins. William recently built a garden and decided to investigate tomato reproduction. He found that green tomatoes (not fully ripe) have an 18% chance of germinating while red tomatoes (fully ripe) have a 78% chance of germinating. Based on the data provided from the investigation, explain what characteristic(s) contributes to the probability of the tomatoes reproductive success and what factors (genetic or environmental) might impact the growth and development of the tomatoes. Answer should be based on : Claim: includes the idea that characteristic animal behaviors or specialized plant structures affect the probability of successful reproduction. Evidence: supports claim including: -behaviors and/or structures that increase the probability of reproduction -cause and effect relationship between the behavior/structure and the successful reproduction of organisms that have them -plant reproduction and the animal behaviors…arrow_forwardWhich of the following explains why pea plants in high soil nitrogen conditions have so few rhizobial nodules on their roots? When there is already high soil nitrogen there is a very large cost to having rhizobial nodules. The rhizobia bacteria in the nodules fix nitrogen when there isn't enough in the soil, so when there is already high soil nitrogen there is no advantage for the pea plant to expend the extra energy housing the rhizobia. The rhizobia bacteria in the nodules use nitrogen when there isn't enough in the soil, so in conditions of high soil nitrogen the plant tries to exclude the rhizobia to keep the nitrogen for itself. When there is already high soil nitrogen there is no benefit to the plant to having rhizobial nodules, which can rob the plant of the high nitrogen supplies so that the rhizobia bacteria do not have to fix the nitrogen themselves.arrow_forwardWhy is knowledge gained from sequencing the Arabidopsis genome important even though Arabidopsis has no commercial value?arrow_forward
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