Essays Tagged: "Sexual reproduction"

Biology Test on Discrete Particle of Inheritance Model

lelesd) Statistical analysis and probabilityThe discrete particle of inheritance model impersonates sexual reproduction through generations of offspring. By manifesting gametes and consolidating them ... riantsDescribe and explain the mechanisms that create genetic variation in organisms that reproduce sexually and in organisms that reproduce asexually.Since genetic variation drives evolution, nature ...

(7 pages) 81 0 4.7 Dec/1996

Subjects: Science Essays > Biology

Sexual Orientation Does Not Determine Parenting Abilities: A reaction paper supporting gays and lesbians parenting rights

Sexual Orientation Does Not Determine Parenting AbilitiesThe conception that lesbians and gay men ma ... possible or immoral. Gay men and lesbians are often viewed as excluded from having children because sexual reproduction is related to men and women couples only. My approach to this uniquely controver ... not necessarily the most common form anymore. Thus, gay and lesbians should not be judged by their sexual orientation to determine their abilities as a parent.There is no valid reason for refusing to ...

(5 pages) 123 1 4.5 Mar/2003

Subjects: Law & Government Essays > Civil Rights

The nature of sexual attraction. What makes a human attractive/unattractive.

y a part of nature that homo sapiens share with all other members of Kingdom Animalia who reproduce sexually. While many will argue that sexual attraction is controlled by a sex gland or society, the ... stream to signal the body for an innate and necessary response. Hunger, thirst, self-defense, and sexual reproduction are included in that list of important sensations. Just like the brain tells an ...

(4 pages) 139 4 4.9 May/2003

Subjects: Science Essays > Biology > Human Biology

Biology notes on the "Phyla of Protists." This Phyla includes algea, protists, sponges, etc.

pseudopodia, from the Greek words pseudo, meaning "false," and podium, meaning "foot." Meiosis and sexual reproduction do not occur in amoebas. They reproduce by fission, simply dividing into two new ... ers. Diatoms can have one of two types of symmetry: radial (like a wheel) or bilateral (two-sided). Sexual reproduction in diatoms is rare.The kingdom Protista also contains some of the fastest growin ...

(4 pages) 52 0 4.8 Aug/2003

Subjects: Science Essays > Biology

Practical Report on human sexual reproduction.

BIOLOGY 2: PRACTICAL REPORTHUMAN SEXUAL REPRODUCTIONReproduction is the generation of new individuals of the same species. In asexual ... es. They fuse to produce a new individual with a different genetic makeup. This process is known as sexual reproduction. Sexual reproduction involves the fusion of two haploid gametes to form diploid ... as the carpel and stamen in flowering plants and the ovary and testes in animals. The importance of sexual reproduction in nature is that it allows genetic variation in a population, which is therefor ...

(3 pages) 78 1 4.1 Oct/2003

Subjects: Science Essays > Biology > Human Biology

Kingdom Protista and the phyla under it.

multicellular. Protists are also the most diverse in terms of their life cycles, which can involve asexual or sexual reproduction. Composed of metabolically diverse organisms, the kingdom Protista con ... odia are also used to surround and engulf food particles in the process of endocytosis. Meiosis and sexual reproduction do not occur in amoebas. They reproduce by fission, simply dividing into two new ...

(2 pages) 41 1 4.7 Oct/2003

Subjects: Science Essays > Biology

Should Cloning be Ban?

Should Cloning be Ban?The word "cloning" comes from the Greek and means "asexual reproduction". Two types of human cloning need to be differentiated: therapeutic cloning and ... hroughout the world.Reproductive human cloning gives life to a new human being. Until recently only sexual reproduction or artificial reproduction techniques e.g. IVF existed. Reproductive cloning rep ...

(2 pages) 55 2 3.5 Nov/2003

Subjects: Science Essays > Genetics & Genome Projects

The physical and social differences between men and women

n the physical, and social development of boys and girls are influenced by adult sex differences in sexual selection, intra-sexual competition, and parental investment.Physical development results in ... ssociated with adult reproduction, as well as those physical changes that directly facilitate intra-sexual competition or influence mate choice. Men go through prolonged puberty to grow larger than wo ...

(5 pages) 207 3 3.8 Feb/2004

Subjects: Social Science Essays > Sociology

Human Cloning

now been in the public eye for quite some time now. Clinging is created from a single cell without sexual reproduction. Research has been going on longer than most expect and is becoming very popular ...

(3 pages) 49 1 3.0 Apr/2004

Subjects: Humanities Essays > Health & Medicine

La différence sexuelle chez les Grecs: Depuis le conflit tragique jusqu'à l'harmonie platonique

m also for human existence, with the result that there is no room in his philosophy for thinking of sexual difference and sexual reproduction. When, on the other hand, conflicts, discord, and human vu ... misfortune and death are looked upon as the constitutive elements of life-as with the tragic poets-sexual difference also plays an important part. When human existence is treated as something radical ...

(20 pages) 22 0 0.0 May/2004

Subjects: Art Essays > Drama

Evolutionary Adaptations to Flowering Plants

an mosses are the development in their vascular tissues and their specialization in their organ for sexual reproduction, the flower.Xylem functions in the conduction of water and minerals and also pro ... mosses, whose vascular tissues remain largely rudimentary in comparison.The flower is the organ for sexual reproduction of angiosperms and consists of male and female organs. The flower's male organ i ...

(6 pages) 43 0 5.0 May/2004

Subjects: Science Essays > Biology > Plant Biology

Gays and Lesbians

ovember 18th, 2003. Among these arguments that Charalambous defends are the following: although homosexuality has been practiced and accepted since ancient times, homosexuals were never considered to ... or as an alternative to marriage and the biological family; the primary significance of marriage is sexual reproduction, an age old solution to survival; and gay parents pose more of a threat of nurtu ...

(5 pages) 83 2 3.4 Jul/2004

Subjects: Law & Government Essays

Difference between asexual and sexual

asexual reproduction is not a "sexual" situation: thenew organism is generated thanks to a somatic (n ... ical to themother cell). In such reproduction, genetic recombinations don't take place.By contrast, sexual reproduction expects two "sexual cells" (parental cells,father and mother). These specialized ...

(1 pages) 41 0 3.0 Jul/2004

Subjects: Science Essays > Biology

Notes on chapters of Botany covering the topics: Multicellular Algae, Mosses/Ferns, Plants with Seeds, Seed Plant Reproduction, Plant Structure, and Control of Plant Growth/Development

ave cell walls-Algae have chlorophyll a and other chlorphylls-Reproductive cycle alternates between sexual and asexual-Dispute over whether kingdom Protista or kingdom PlantaeAdaptations of Algae to L ... ge nutrients, oxygen, CO2 with the water-Do not need stemlike structures-Water keeps them supported-Sexual reproduction is easier in water-Sex cells can swim through waterChlorophyll and Accessory Pig ...

(17 pages) 82 0 5.0 Feb/2005

Subjects: Science Essays > Biology > Plant Biology


till a zygote that is when a diploid cell formed as a result of fusion of two haploid nuclei during sexual reproduction, that is the initial stage for every human. As a fact, we all went through the s ...

(4 pages) 81 5 3.5 May/2005

Subjects: Social Science Essays > Controversial Issues

Using examples from the Australian context examine how families and family roles have changed over the past 100 years. Discuss how recent social and cultural changes have affected the family.

m of two generations sharing the same residence, where the mother and father are married based on a sexual and love relationship, with biological children. The family stays together until the children ... o be of existence. He identified four critical functions that families ought to fulfill, namely the sexual, reproduction, educational and economic function (Bottomley, 1985). However, through industri ...

(6 pages) 58 0 5.0 Oct/2005

Subjects: Social Science Essays > Sociology

Cellular Reproduction.

into offspring or cells that will later develop into offspring. The reproductive process, whether asexual or sexual always involves an exchange in hereditary material from the parents so that the new ... new organism may also be able to reproduce. Reproductive processes can be categorized into either asexual reproduction or sexual reproduction.Asexual reproduction is any form of reproduction that doe ...

(2 pages) 39 1 3.6 Jan/2006

Subjects: Science Essays > Biology

Are Viruses Life Forms?

away from heat, etc)REPRODUCTION -- does it have some way of making more of itself, either through sexual reproduction or by budding or fissioning in some way?CONSUMPTION -- does it eat or drink? Doe ...

(4 pages) 26 0 5.0 Mar/2006

Subjects: Science Essays > Biology


invention of better microscopes allowed biologists to discover the basic facts of cell division and sexual reproduction. The focus of genetics research then shifted to understanding what really happen ...

(2 pages) 43 0 3.0 May/2006

Subjects: Science Essays > Genetics & Genome Projects

Huming Cloning

phic effects on mankind, like the loss of biodiversity due to bio engineering of humans, instead of sexual reproduction. The social aspect of cloning may raise problems of human existence and meaning ... removing the nucleus of an egg and replacing it with the diploid nucleus of a somatic cell. Unlike sexual reproduction, where a new organism is formed when the genetic material of the egg and sperm f ...

(5 pages) 36 0 3.0 Dec/2006

Subjects: Science Essays > Genetics & Genome Projects