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Q: How does early seedling development differ in eudicots and monocots?
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Q: Provide a brief discussion on the development of the parts of the mature corn seed and monggo seed
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Q: In flowers that are pollinated by wind or water, which of the parts is often missing?
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Q: Does red color generally attract birds and so facilitate pollination in a wide range of flowers?
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Q: How can a seed detect the presence of plants overhead?
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Q: Are sunflower seeds really seeds?
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Q: in fruits of wild daisy, what role can the pappus play in seed dispersal?
A: The movement, spread, or transportation of seeds away from the parent plant is referred to as seed…
How two genes interact to produce seed colors in lentils?
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- What are the advantages and disadvantages of self and cross pollination? How are the structures of the pistil and stamen adapted for successful fertilization?In a common eudicot pattern of development for the common bean in the figure, the radicle emerges from the seed (1), then begins to develop into a primary root that grows down into the soil. As this occurs, the hypocotyl emerges from the seed and bends into the shape of a hook (2). The bent hypocotyl lengthens and pulls the cotyledons upward (3). When the hypocotyl reaches the soil surface, exposure to light causes it to straighten (4). Primary leaves emerge from between the cotyledons and begin photosynthesis. The cotyledons typically undergo a period of photosynthesis before shriveling (5). Eventually, the cotyledons fall off the lengthening stem, and the young plant’s new leaves produce all of its food. a) Identify and explain what environmental factors influence the timing and coordination of the germination of seeds.Describe three mechanisms whereby seed dormancy is broken in different types of seeds. How are these mechanisms related to the typical environment of the plant?
- Plant biologists are currently working to identify those Arabidopsis genes with unknown functions. If you were assigned to determine the function of a particular gene, how might you approach this task?is it possible to separate the seed of corn from the fruit?In mango seed, orange seed, and apple seed, what are the type of endosperm when present?
- What is self-incompatibility? Why does self-pollination not lead to seedformation in self-incompatible species?What are phase changes in plant development? What two groups of genes control the formation of the flower? What is the ABC hypothesis?Suppose that 100 pollen grains land on a stigma, and 50 mature seeds are formed in the fruit. What does this indicate about the pollination process and success? A) 100% success: 100 pollen grains grew to 50 ovules, two to each, and double fertilization occurred. B) 100% success: Only 50% of the pollen grains germinated, but each produced 2 sperms to complete double fertilization in 50 seeds. C) 50% success: 50 sperm fertilized 50 eggs, and 50 sperm fused with 50 polar nuclei. D) 50% success: 50 sperm fertilized 50 eggs, and 50 sperm fused with 100 polar nuclei. correct answer and explanation why please.