Essays Tagged: "Sperm"

Cloning Today

gg cell, the cell is given an electric shock to initiate the development. Traditionally this is the sperm's role. In this paper we will be discussing the advantages of different types of clones, such ...

(4 pages) 190 0 3.8 Dec/1996

Subjects: Science Essays > Genetics & Genome Projects

Fetal Development

oducing an egg. This egg then travels into the fallopian tube where it waits to be fertilized. Once sperm enter the body they must travel up the uterus until they make their way up to the egg.Once at ... the body they must travel up the uterus until they make their way up to the egg.Once at the egg the sperm try to get in. They sperm wiggle their tails until they make it in. Once it makes it in the eg ...

(10 pages) 143 0 4.8 Mar/2002

Subjects: Science Essays > Biology > Human Biology


omes,one of each pair inherited through the egg from the mother, and theother inherited through the sperm of the father. Of thesechromosomes, those that determine sex are X and Y. Females have XXand m ...

(4 pages) 84 0 3.7 Dec/1996

Subjects: Humanities Essays > Health & Medicine > Diseases

Down Syndrome Report

for the abnormal chromosomal assortment is the fertilization of an ovum having 24 chromosomes by a sperm with a normal assortment of 23, but they have also found that the sperm can carry the extra ch ... ut they have also found that the sperm can carry the extra chromosome as well. The abnormal ovum or sperm is derived from a germ cell in which the pair of 21st chromosomes holds together and passes in ...

(2 pages) 74 0 3.0 Feb/1997

Subjects: Humanities Essays > Health & Medicine > Diseases

Should surrogate motherhood be permitted?

em whichprevents her from carrying a child. Whether or not the husbandcan produce a large amount of sperm is not a problem. Once theegg and sperm are combined in a petri dish fertilization is verylike ... nd implanted in herbody. Partial Surrogacy occurs when the birth mothercontributes the ovum and the sperm is introduced by artificialinsemination. She is a biological parent of the child. CommercialSu ...

(4 pages) 98 0 3.4 Mar/1997

Subjects: Law & Government Essays > Law

Down syndrome

ikes 1 out of 600 babies. In 95 percent of all cases, the disorder originates with the egg, not the sperm, and the only known risk factor is advanced maternal age-at age 35, a woman has 1 chance in 11 ... tilization (IVF), is a technique in which eggs are removed from a woman's ovaries and combined with sperm in a dish. The resulting embryos are transplanted into the woman's uterus. Before transplant, ...

(11 pages) 302 0 4.7 Mar/1997

Subjects: Social Science Essays > Education

Stem Cell- clearly describes the benefits of stem cell research to modern medical research and advancement- done for a high school Anatomy/Physiology class-5 pages

ne through the process of being assigned a specific function. They came about when researchers took sperm from a man and an egg from a woman and fertilized them in a petri dish for several days until ... e for fertility treatment that would otherwise be discarded. Research on cloning humans or creating sperm and ova is strictly banned. ISRAEL: There is no law regulating stem cell research in Israel an ...

(7 pages) 638 1 4.6 Jun/2002

Subjects: Science Essays > Biotechnology

Diversity of Plants

onsists of nine divisions that have living members. Bryophytes and ferns require free water so that sperm can swim between the male and female sex organs; most other plants do not. Vascular plants hav ... ed a means to protect young individuals. Flowers, which are the most obvious characteristic of angiosperms, guide the activities of insects and other pollinators so that pollen is dispersed rapidly an ...

(11 pages) 124 0 3.0 Apr/1996

Subjects: Science Essays > Biology

This is an argumentative essay discussing different views of cloning called "Cloning-Right vs. Wrong". (con)

reover, cloning would enable infertile couples to have children of their own, rather than using the sperm of another male.Cloning humans would also mean that organs could be cloned, so it would be a s ...

(2 pages) 141 0 4.2 Mar/2003

Subjects: Science Essays > Genetics & Genome Projects


is a human being from the moment that they are conceived. However, "science tells us that when the sperm and ovum unite, they become a complete genetic package programmed for development into a matur ...

(3 pages) 48 0 3.0 Apr/2003

Subjects: Social Science Essays > Controversial Issues

Egg donation-playing with god.

elf, "what a good idea." It is a process where your eggs are removed, harvested and fertilized with sperm and lastly, implanted into the intended mother. This procedure gives mothers that are not able ... time and I know that they want their child to be great, but who doesn't. In the process of donating sperm, these same methods are not used. The woman can get anyone's sperm and the information on the ...

(3 pages) 50 0 5.0 Apr/2003

Subjects: Social Science Essays > Controversial Issues

Feminist Analysis of In Vitro Fertilization .

drugs to produce multiple eggs, which are surgically removed. Her partner or donor then produces a sperm sample and the eggs and sperm are combined in a glass dish. If fertilization occurs, the resul ... made, such as treatment protocols for women older than 40 and development of ICSI (Intracytoplasmic Sperm Injection). ICSI is used for achieving fertilization by injecting a sperm into the egg. In add ...

(11 pages) 140 0 5.0 May/2003

Subjects: Law & Government Essays > Civil Rights > Women's Studies

Fire Ants: Basic Biology, Habitat, History.

Life cycles.During the reproductive flights of ants, when winged males and female ants mate. After sperm is transferred to the female, the male soon dies. Females land, locates a suitable nesting sit ...

(2 pages) 52 1 3.6 May/2003

Subjects: Science Essays > Earth Sciences

Report on various types of contreception.

nes stop the woman ovulating and will thicken the cervical mucus. This creates a barrier to prevent sperm from fertilizing an egg. Each Vaginal Ring provides one month of birth control. The Vaginal Ri ... eventing the ovaries from releasing eggs, and thickens the cervical mucus, this makes it harder for sperm to enter the uterus. The Pill is 97-99.9% effective as birth control. The Pill does not protec ...

(3 pages) 46 1 3.0 Jun/2003

Subjects: Humanities Essays > Health & Medicine > Sex & Sexuality

Roman Catholic Church's belief on In Vitro Fertilisation

butions to the debate concerning In Vitro Fertilisation techniques.The discovering of human ova and sperm during the 1800's provided a greater understanding of the nature and purpose of reproduction.T ... hope that implantation will occur.In order for this to occur the male usual is expected to produce sperm through masturbation, which that itself is considered to violate the unitive and procreative m ...

(2 pages) 60 0 3.8 Aug/2003

Subjects: Art Essays > Artists


ic material from the cell of a sheep that was six years old, contrary to the normal conception by a sperm and an egg. This cell was fused with an egg from another sheep. All of the genetic material wa ...

(3 pages) 48 0 3.0 Aug/2003

Subjects: Science Essays > Genetics & Genome Projects

This is an experiment on how planaria regenerate body parts and an explaination as to how the experiment was performed.

phroditic planaria feature an internal reproductive system. When two flatworms join, each exchanges sperm and fertilizes the other's eggs. Their simple body plan also allows them to regenerate complet ...

(6 pages) 38 0 5.0 Jan/2004

Subjects: Science Essays

History of Sex Research

gg to reproduction by studying animals*1678 Anton van Leeuwenhoek-used early microscope to identify sperm as "seed"-compared healthy/unhealthy men-sperm survived longer in warm environment-coined term ...

(4 pages) 132 1 3.7 Jan/2004

Subjects: Science Essays > Biology > Human Biology

Infertility and Religion

In-Vitro-Fertilisation (IVF):In this treatment, an egg is released from the ovary and united with a sperm. This union, which is called fertilisation, takes place in a test tube in a laboratory which p ... usband (AIH):In this treatment, the egg of the mother is not extracted from her body. The husband's sperm is taken and is then injected into the mother's egg by medical means.(iii) Artificial Insemina ...

(6 pages) 53 0 5.0 Feb/2004

Subjects: Social Science Essays

Illegal Steroids

ng time can negatively affect the reproductive systems. In males, steroids can reduce the amount of sperm produced in the testicles and even reduce the size of the testicles. Steroids also can cause i ...

(2 pages) 39 1 4.0 Mar/2004

Subjects: Social Science Essays > Controversial Issues > Drugs & Alchohol