Biology
4th Edition
ISBN: 9781259188121
Author: Peter Stiling, Robert Brooker, Linda Graham, Eric Widmaier
Publisher: McGraw-Hill Education
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Chapter 39.4, Problem 1CC
Summary Introduction
To determine: The way by which the embryo of eudicot differ if it's TOPLESS gene were non-functional.
Introduction: After the formation of zygote, differentiation of cells takes place which results in the formation of embryo. The process of formation of the embryo is known as “embryogenesis.” The nutrition in the development of embryo is provided by the endosperm.
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Chapter 39 Solutions
Biology
Ch. 39.1 - Core Skill: Connections Look back to Figure 32.14...Ch. 39.1 - Prob. 1CCCh. 39.1 - Prob. 2CCCh. 39.1 - Prob. 3CCCh. 39.2 - What inference can you draw from the observation...Ch. 39.2 - List several ways in which the flowers at the rim...Ch. 39.2 - Why do you think Liang and Mahadevan used Lilium...Ch. 39.2 - How did time-lapse video improve data gathering in...Ch. 39.3 - Prob. 1CCCh. 39.3 - Prob. 2CC
Ch. 39.3 - Prob. 1BCCh. 39.4 - Prob. 1CCCh. 39.4 - Prob. 2CCCh. 39 - Where do the pollen grains of flowering plants...Ch. 39 - Prob. 2TYCh. 39 - Where would you find female gametophytes of a...Ch. 39 - How does double fertilization occur in flowering...Ch. 39 - Prob. 5TYCh. 39 - Prob. 6TYCh. 39 - Prob. 7TYCh. 39 - If an ovary contains eight ovules, how many seeds...Ch. 39 - Prob. 9TYCh. 39 - Prob. 10TYCh. 39 - Prob. 1CQCh. 39 - Prob. 2CQCh. 39 - Prob. 3CQCh. 39 - Prob. 1COQCh. 39 - How do plants prevent the production of many...
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- In animal phyla with radial cleavages, cell fate of the embryo is?arrow_forwardWith regard to early cleavage in the sea urchin, is the entire zygote involved in early cleavage? What happens to the size of cells as the cell number increases? Do they get bigger or smaller in these early stages? How does the size of these cells compare to the size of the original fertilized egg?arrow_forwardWhat parts are persistent throughout the development of the sea urchin embryo? Why are these present in all the stages?arrow_forward
- During polyembryony, if one embryo is formed from synergids and the other from nucellus, state the one that is haploid and the one that is diploid.arrow_forwardYou have an embryo in the eight-cell stage that shows radial and indeterminate cleavage. What would happen if you separated the cells of this embryo and placed them each into tissue culture media? Each cell may continue development, but only into a nonviable embryo that lacks many parts. Each cell may develop into a full-sized, normal embryo. All eight cells would die immediately. Each cell may deyelop into a smaller-than-average, but otherwise normal, embryo.arrow_forwardWhat is developmental mechanism?arrow_forward
- What is meant by “induction” in embryology? Describe the famous organizer experiment of Spemann and Mangold and explain its significancearrow_forwardGiven that the first division of the zygote divides the embryo into the future right and left halves of the butterfly, complete a hypothesis that explains how nondisjunction during the first mitosis might have produced this unusual-looking butterfly. Match the terms In the left column to the approprlate blanks In the sentences on the right. Not all terms will be used. Reset Help female The zygote has the genotype. If nondisjunction occurs during the first mitosis the left cell will have the genotype and develops to the half. The right half. daughter cell will have the genotype and develops to the XXXX XX male XXX XYarrow_forwardIllustrate the top-to-bottom and head-to-tail orientation of the fruit fly embryo.arrow_forward
- what would happen if wingless were expressed throughout the embryoarrow_forwardWhat is your opinion of the status of an 8-celled human embryo? Why?arrow_forwardIf a fertilized Drosophila egg is punctured at the anterior end and a small amount of cytoplasm is allowed to leak out, what will be the most likely effect on the development of the fly embryo?arrow_forward
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