Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 36.5, Problem 2SB
Summary Introduction
To review:
The two basic mechanisms of morphogenesis in plants and the patterns of cell division by which a part of a plant grows in (a) length and (b) girth.
Introduction:
Morphogenesis is the process by which cell division leads to characteristic growth patterns in a plant tissue, with different parts developing differently as per need. It involves two basic mechanisms, that is, oriental cell division and cell expansion.
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Chapter 36 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 36.1 - What are the two alternating generations of...Ch. 36.1 - Prob. 2SBCh. 36.2 - Prob. 1SBCh. 36.2 - Explain the steps leading to the formation of a...Ch. 36.2 - Trace the development of a female gametophyte,...Ch. 36.3 - Explain the sequence of events in a flowering...Ch. 36.3 - Prob. 2SBCh. 36.3 - Prob. 3SBCh. 36.4 - Prob. 1SBCh. 36.4 - Prob. 2SB
Ch. 36.5 - What is a homeobox gene? Give at least two...Ch. 36.5 - Prob. 2SBCh. 36.5 - Prob. 3SBCh. 36 - In an angiosperm life cycle, sexual reproduction...Ch. 36 - Prob. 2TYKCh. 36 - Prob. 3TYKCh. 36 - From a developmental standpoint, a seed is best...Ch. 36 - Prob. 5TYKCh. 36 - Prob. 6TYKCh. 36 - Prob. 7TYKCh. 36 - Which of the following is not an example of...Ch. 36 - Prob. 9TYKCh. 36 - Prob. 10TYKCh. 36 - Prob. 11TYKCh. 36 - Prob. 12TYKCh. 36 - Prob. 13TYKCh. 36 - Prob. 14TYKCh. 36 - Prob. 1ITDCh. 36 - Prob. 2ITDCh. 36 - Prob. 3ITD
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- What are the two broad cues plants use to determine what an undifferentiated plant cell will become (what are the two broad cues a plant uses for determination)?arrow_forwardHow do class A, B, and C genes in plants work together to determine the structures of the flower?arrow_forwardAre all the onion cells in the onion root the same length?arrow_forward
- Can you solve all the parts to this question please a) What is the role of the LEAFY gene in floral development? (b) What is the phenotype of the leafy mutant? (c) Most of the ABC program genes are directly regulated by the transcription factor LEAFY (LFY). Still, LFY is expressed broadly throughout the floral meristem when the discrete A, B, and C domains are established. Discuss how this single broadly expressed transcription factor can generate distinct domains of ABC gene expression. Feel free to use diagrams.arrow_forwardWhat would be the effect on flowering time of over-expressing VIN3 (i.e., 35S:VIN3) in a winter annual Arabidopsis plant grown adjacent to a summer annual wild type plant in long days under warm conditions? Assume that the plants germinate at the same time. In answering the question, describe the molecular mechanism that allows you to make this conclusion.arrow_forwardWhat is meant by emasculation? When and why does a plant breeder employ this technique?arrow_forward
- In a species of tree, seed color is determined by four independently assorting genes: A, B, C, and D. The recessive alleles of each of these genes (a, b, C, and d) produce abnormal enzymes that cannot catalyze a reaction in the biosynthetic pathway for seed pigment. This pathway is diagrammed as follows: A White precursor Yellow ----Orange----- Red --- Blue When both red and blue pigments are present, the seeds are purple. Trees with the genotypes Aa Bb Cc Dd and Aa Bb Cc dd were crossed. (a) What color are the seeds in these two parental genotypes? (b) What proportion of the offspring from the cross will have white seeds? (c) Determine the relative proportions of red, white, and blue offspring from the cross.arrow_forwardIn 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.arrow_forwardCan you answer all the parts to this question regarding the diagramarrow_forward
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