BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Chapter 40, Problem 8U
Summary Introduction
Introduction:
The egg cell (haploid) fuses with a sperm cell (haploid) to form a zygote (diploid) through mitotic division. The zygote repeatedly divides and develops into a new plant.
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After double fertilization, a zygote and ________ form. a. an ovule b. endosperm c. a cotyledon d. a suspensor
The fertilized ovule gives rise to the ________. a. fruit b. seed c. endosperm d. embryo
A. What is double fertilization?
B. What are the products of double fertilization?
C. Explain the following quote “As an individual, the endosperm is unique as it has three ancestors and never leaves any descendants.” What are the three ancestors referred to in this quote? And why endosperm does not leave any descendants?
Chapter 40 Solutions
BIOLOGY
Ch. 40.1 - Prob. 1LOCh. 40.1 - Prob. 2LOCh. 40.1 - Prob. 3LOCh. 40.2 - Name the four genetically regulated flowering...Ch. 40.2 - Define floral determination.Ch. 40.2 - Prob. 3LOCh. 40.3 - Prob. 1LOCh. 40.3 - Prob. 2LOCh. 40.3 - Prob. 3LOCh. 40.4 - Prob. 1LO
Ch. 40.4 - Prob. 2LOCh. 40.4 - Prob. 3LOCh. 40.5 - Prob. 1LOCh. 40.5 - Prob. 2LOCh. 40.5 - Prob. 3LOCh. 40.6 - Prob. 1LOCh. 40.6 - Prob. 2LOCh. 40.7 - Prob. 1LOCh. 40.7 - Prob. 2LOCh. 40.7 - Prob. 3LOCh. 40.8 - Prob. 1LOCh. 40.8 - Prob. 2LOCh. 40.8 - Prob. 3LOCh. 40 - Prob. 1DACh. 40 - Prob. 1IQCh. 40 - Prob. 2IQCh. 40 - Prob. 3IQCh. 40 - Morphogenesis is the development of a. growth...Ch. 40 - Vernalization induces flowering following exposure...Ch. 40 - Prob. 3UCh. 40 - Which of the following is NOT a component of a...Ch. 40 - Megasporcs are produced in a. anthers by mitosis....Ch. 40 - A stamen contains a a. style. b. stigma. c....Ch. 40 - Unlike bee-pollinated flowers, bird-pollinated...Ch. 40 - Prob. 8UCh. 40 - Endosperm is produced by the union of a. a central...Ch. 40 - During the globular stage of embryo development,...Ch. 40 - Which of the following is NOT a primary meristem?...Ch. 40 - Prob. 12UCh. 40 - The shoot tip of an emerging maize seedling is...Ch. 40 - Asexual reproduction is likely to be most common...Ch. 40 - Prob. 15UCh. 40 - Prob. 16UCh. 40 - Prob. 17UCh. 40 - Prob. 1ACh. 40 - Your roommate is taking biology with you this...Ch. 40 - In Iowa, a company called Team Corn works to...Ch. 40 - Prob. 4ACh. 40 - One of the most notable differences between gamete...Ch. 40 - A plant lacking the WOODEN LEG gene will likely a....Ch. 40 - How would plant development change if the...Ch. 40 - Prob. 8ACh. 40 - Loss-of-function mutations in the suspensor gene...Ch. 40 - Prob. 1SCh. 40 - If you live in a north temperate region, explain...Ch. 40 - In wild columbine flower morphology encourages...Ch. 40 - In most part of the world, commercial potato crops...Ch. 40 - Design an experiment to determine whether light or...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- How would a loss-of-function mutation in the α-amylase gene affect seed germination? a. The seed could not imbibe water. b. The embryo would starve. c. The seed coat would not rupture. d. The seed would germinate prematurely.arrow_forwardHow would plant development change if the functions of the genes SHOOTMERISTEMLESS (STM) and MONOPTEROUS (MP) were reversed? a. The embryo–suspensor axis would be reversed. b. The embryo–suspensor axis would be duplicated. c. The root–shoot axis would be reversed. d. The root–shoot axis would be duplicated.arrow_forwardDouble fertilization is a) fertilization of an egg by two sperm. b) fertilization of two eggs by the same sperm. C) fertilization of two eggs in the same flower. d) fertilization of an egg by one sperm and an endosperm-forming cell by another sperm. e) fertilization of an egg and an endosperm-forming cell by the same sperm.arrow_forward
- Endosperm is completely consumed by the developing embryo in: (a) pea and groundnut (b) maize and castor (c) castor and groundnut (d) maize and pea.arrow_forwardA fruit is(A) a mature ovary.(B) a mature ovule.(C) a seed plus its integuments.(D) an enlarged embryo sac.arrow_forwardWhich of the following is an advantage of asexual reproduction? a. Cuttings taken from an adult plant show increased resistance to diseases. b. Grafted plants can more successfully endure drought. c. When cuttings or buds are taken from an adult plant or plant parts, the resulting plant will grow into an adult faster than a seedling. d. Asexual reproduction takes advantage of a more diverse gene pool.arrow_forward
- In flowers, the structures that produce male gametophytes are called _______ ;the strcutures that produce female gametophytes are called _______ . a. pollen grains; flowers c. anthers; stigma b. stamen; carpels d. megaspores; microsporesarrow_forwardThe portion of an embryonic axis that above where the cotyledons are attached and below the first pair of miniature leaves is called?arrow_forwardFrom what structure does a pollen grain develop? A. Egg B. Embryo C. Endosperm D. Microsporearrow_forward
- Which of the following is false? A. Oak trees have flowers B. Gymnosperms make pollen C. Ferns have seeds D. Corn plants have rubiscoarrow_forwardThe zygote divides only after the division of the primary endosperm cell. Give reasons in support of the statement.arrow_forwardAnswer the following question: If a corn grain is actually a fruit, where is the pericarp? Does a corn grain have a cotyledon as well as an endosperm?arrow_forward
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