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Function and Development of Gametophytes

Beverley J. Glover

in Understanding Flowers and Flowering: An integrated approach

Published in print:
2007
Published Online:
January 2008
ISBN:
9780198565970
eISBN:
9780191714009
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198565970.003.0011
Subject:
Biology, Plant Sciences and Forestry

The role of flowers is to ensure the transfer of a small but precious package, the pollen grain, from one plant to another. That pollen grain contains the sperm, which fertilizes an egg cell retained ... More


Sexuality: The Antithesis of Clonality

John C. Avise

in Clonality: The Genetics, Ecology, and Evolution of Sexual Abstinence in Vertebrate Animals

Published in print:
2008
Published Online:
January 2009
ISBN:
9780195369670
eISBN:
9780199871063
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195369670.003.0002
Subject:
Biology, Evolutionary Biology / Genetics

Sexual reproduction is the antithesis of clonality because genes that are faithfully copied during asexual replication are genetically scrambled (recombined) during the sexual processes of meiosis ... More


Microbes from Hell

Patrick Forterre

Published in print:
2016
Published Online:
May 2017
ISBN:
9780226265827
eISBN:
9780226265964
Item type:
book
Publisher:
University of Chicago Press
DOI:
10.7208/chicago/9780226265964.001.0001
Subject:
Biology, Microbiology

The book “Microbes from Hell” is both an historical report of the discovery of hyperthermophiles and a personal recollection by the author of his own work on these microorganisms. The molecular ... More


Laboratory Experiments on Speciation

James D. Fry

in Experimental Evolution: Concepts, Methods, and Applications of Selection Experiments

Published in print:
2009
Published Online:
March 2012
ISBN:
9780520247666
eISBN:
9780520944473
Item type:
chapter
Publisher:
University of California Press
DOI:
10.1525/california/9780520247666.003.0020
Subject:
Biology, Evolutionary Biology / Genetics

This chapter reviews the literature on speciation experiments, identifies neglected questions that could be addressed by new experiments, and suggests general guidelines for such experiments, ... More


Fertilization: Two Cells at the Verge of Death Cooperate to Form a New Body That Lasts Decades

Scott Gilbert

in Fear, Wonder, and Science in the New Age of Reproductive Biotechnology

Published in print:
2017
Published Online:
January 2019
ISBN:
9780231170949
eISBN:
9780231544580
Item type:
chapter
Publisher:
Columbia University Press
DOI:
10.7312/columbia/9780231170949.003.0003
Subject:
Biology, Bioethics

The story of fertilization is often told as man’s story, a race ending in capturing and penetrating an egg. Science finds these stories to be false myths. The female reproductive tract is not a ... More


Intimate Ark: Sex and Emergence

John L. Culliney and David Jones

in The Fractal Self: Science, Philosophy, and the Evolution of Human Cooperation

Published in print:
2017
Published Online:
January 2018
ISBN:
9780824866617
eISBN:
9780824875763
Item type:
chapter
Publisher:
University of Hawai'i Press
DOI:
10.21313/hawaii/9780824866617.003.0005
Subject:
Religion, Religion and Society

Among the greatest cooperative examples of biotic evolution that released a virtually unbounded world of complexity, particularly conspicuous among eukaryotic organisms, was the evolution of sex. In ... More


Rapid evolution of centromeres and centromeric/kinetochore proteins

Kevin C. Roach, Benjamin D. Ross, and Harmit S. Malik

in Rapidly Evolving Genes and Genetic Systems

Published in print:
2012
Published Online:
December 2013
ISBN:
9780199642274
eISBN:
9780191774751
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199642274.003.0009
Subject:
Biology, Evolutionary Biology / Genetics

Centromeres and the kinetochore proteins that bind them are required for chromosome segregation during eukaryotic cell division. Despite this conserved function, both centromeric DNA and kinetochore ... More


Sex and Gender

Turk Rhen and David Crews

in Evolutionary Ecology: Concepts and Case Studies

Published in print:
2001
Published Online:
November 2020
ISBN:
9780195131543
eISBN:
9780197561461
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780195131543.003.0017
Subject:
Environmental Science, Applied Ecology

In this chapter, sex will refer to the central process of meiosis and syngamy in eukaryotic organisms. Although some form of sexuality characterizes the life cycle of many eukaryotic organisms ... More


Sex Ratios and Sex Allocation

Steven Hecht Orzack

in Evolutionary Ecology: Concepts and Case Studies

Published in print:
2001
Published Online:
November 2020
ISBN:
9780195131543
eISBN:
9780197561461
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780195131543.003.0018
Subject:
Environmental Science, Applied Ecology

Understanding the allocation of energy is the goal of the evolutionary analysis of sex allocation. Whether one is concerned with the relative sizes of male and female flower parts in plants like ... More


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