the offspring of a self-pollination of this “trihybrid”? 2. The plant could make eight different gametes (YRI‚ YRi‚ YrI‚ Yri‚ yRI‚ yRi‚ yrI‚ and yri). To fit all the possible gametes in a self-pollination‚ a Punnett square would need 8 rows and 8 columns. It would have spaces for the 64 possible unions of gametes in the offspring. 3. In some pea plant crosses‚ the plants are self-pollinated. Refer back to Concept 13.1 (pp. 248–249) and explain whether self-pollination is considered asexual
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study. Light pollution also harms the environment and the animals / people that inhabit it. It affects the wildlife and plants negatively. Night lights disorient hatching sea turtles‚ migrating birds and nocturnal animals. Interference with pollination of nocturnal flowers occur when light attracts insects. Remember all that sleep talk? Kids need 10-12 hours and teens need 8-10 hours of sleep? Well light pollution also causes an interference with our sleeping patterns. By preventing the production
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Banana is the most popular banana in the United States. The banana plant has male and female flowers. The male flowers are located at the top of the plant and the female flowers are located at the bottom of the plant. “Modern bananas do not require pollination or fertilization of female ovaries for fruit production” (Burghardt par.4). In grocery stores‚ a cluster of bananas is a “hand” and a single banana on the hand is a finger. The strings in a banana are called Phloem Bundles. They put nutrients in
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Reflection Paper on Gulf Oil Spill This presentation had a deep impact on me because I had been living in Gulf Breeze‚ Florida at the time of the spill. Gulf Breeze is located 15 miles West of Pensacola and the reefs and beaches were severely impacted by it. Not only did the spill impact the environment but also the tourism which that city needed to thrive; in turn businesses closed and restaurants plundered. When I looked outside my bedroom window at the ocean‚ instead of seeing the bright blue
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One of the most influential theories on cognitive development comes from Jean Piaget‚ a Swiss developmental psychologist and philosopher. To Piaget‚ cognitive development was a progressive reorganization of mental processes as a result of biological maturation and environmental experience. His ideas have generated a lot of research into cognitive development which has significantly improved our understanding on the topic. He is well-known for his studies with children and his theory that cognitive
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Reading “Before Elvis there was nothing.” John Lennon FROM AMERICANIZATION TO GLOBALIZATION I The USA‚ the country which had been an importer of influences has become in the twentieth century a major exporter of them. The whole world imports products and services from the USA. The majority of the world’s best known celebrities are from the USA. In many areas of life‚ American popular tastes and attitudes have conquered the world. The United States became the first nation in history to build
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Something is killing our honeybees. They have been in decline for the past ten years. Honey is becoming more expensive‚ and agriculture is suffering because of the shrinking numbers. Our crop resources are at risk of losing one third their normal reaping. There has got to be something we can do to prevent this loss. What is killing our honeybees? Neonicotinoids are the leading cause of hive colony collapse disorder. When a hive becomes infected by this common insecticide‚ used to kill pests like
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Brent Ian Luis NASC5 Z-3R Mrs. Faith Maranan Odessa Tumbali The Interactions and Interrelationships among the Different Components of the Ecosystem I. Introduction Ecology is the study of environmental systems‚ or as it is sometimes called‚ the economy of nature (Hall and Weiss‚ 2010). It studies interactions between different organisms and their environments‚ including relations within its own species and members of others. Ecology focuses more on the population
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Daniel Albright Mrs. Cowles Honors British Literature 14 April 2014 Genetically Modified Food: Opposing Viewpoints The population of America consumes about 313‚272‚200 tons of food per year. With such a large demand‚ it is expected that food needs will continue to rise as human population increases. Our food supply needs to be reliable‚ abundant‚ and safe. One way to keep the food supply safe and reliable is to make sure that it is free from harmful viruses and pesticides. The creation of
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and they can be easily grown in Phoenix Area. Beans and Squash both have to be grown in full sunlight all day long‚ and they don’t need shade for their propagation because they need a full sun. Corn must be grown in blocks of rows for the best pollination‚ tall corn and beans will also shade the area to the north side. Arrange a single wide row for squash so arrange your garden so that it is along the side toward the south‚ the runner of the squash will need lots of space so allow at least few distance
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