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Articles 9571 - 9600 of 9782

Full-Text Articles in Genetics and Genomics

Genetic Technology: Law And Policy For The Brave New World, Harold P. Green Jul 1973

Genetic Technology: Law And Policy For The Brave New World, Harold P. Green

Indiana Law Journal

No abstract provided.


Informed Decisionmaking In Genetic Counseling: A Dissent To The "Wrongful Life" Debate, Alexander Morgan Capron Jul 1973

Informed Decisionmaking In Genetic Counseling: A Dissent To The "Wrongful Life" Debate, Alexander Morgan Capron

Indiana Law Journal

No abstract provided.


Theological Reflection And The New Biology, David H. Smith Jul 1973

Theological Reflection And The New Biology, David H. Smith

Indiana Law Journal

No abstract provided.


Gene Therapy And Genetic Engineering: Frankenstein Is Still A Myth, But It Should Be Reread Periodically, George A. Hudock Jul 1973

Gene Therapy And Genetic Engineering: Frankenstein Is Still A Myth, But It Should Be Reread Periodically, George A. Hudock

Indiana Law Journal

No abstract provided.


Experimentation To Develop Procedures To Be Used In The Investigation Of The Effects Of Restriction On The Unmodified Dna Of The Bacteriophage Lamda, John Haynes Jun 1973

Experimentation To Develop Procedures To Be Used In The Investigation Of The Effects Of Restriction On The Unmodified Dna Of The Bacteriophage Lamda, John Haynes

Honors Theses

The results of experimentation approximately twenty years ago with variuos bacteriophages by Ralston and Krueger16, Anderson and Felix1, Luria and Human12, and by Bertani and Weigle2 have shown that the host range of a given phage depends directly on the bacterial strain on which the phage has last propagated. This event came to be known as host-induced modification or host-controlled variation. As this phage host range is controlled by the host environment and can be altered from one generation to another it has, according to Luria, made microbiology "the last stronghold of Lamarckism" …


Modification Of Ontogenic Expression Due To Relocation Of The Ry+ Gene In Drosophila Melanogaster, Allen A. Badgett Jr. May 1973

Modification Of Ontogenic Expression Due To Relocation Of The Ry+ Gene In Drosophila Melanogaster, Allen A. Badgett Jr.

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The ry+ gene of Drosophila melanogaster and its associated enzyme, xanthine dehydrogenase, were employed in an analysis of the relationship between regulation and the location of a gene in the genome. Enzyme assays as an indication of gene activity were performed on genotypes containing zero, one and two doses of ry+ genes. Xanthine dehydrogenase activity of rosy genes in normal and relocated positions was determined during development.

The results indicate: 1) the gene ry+ is differentially active during ontogeny; 2) the activity during ontogeny is proportional to the number of ry+ genes present in the genome; …


Cottonwood Recovers From Deer Browsing, R. M. Krinard May 1973

Cottonwood Recovers From Deer Browsing, R. M. Krinard

Aspen Bibliography

No abstract provided.


Attitudes On Population Crisis At A Small Liberal-Arts College, John B. Jenkins, R. C. Mitchell Apr 1973

Attitudes On Population Crisis At A Small Liberal-Arts College, John B. Jenkins, R. C. Mitchell

Biology Faculty Works

No abstract provided.


Objective Measurement And The Stud Breeder, B R. Beetson Jan 1973

Objective Measurement And The Stud Breeder, B R. Beetson

Journal of the Department of Agriculture, Western Australia, Series 4

The movement towards sale of wool by certificate and sample highlights the significance of objective measurement in the Merino stud breeders' selection of his top rams.

This article suggests how stud breeders should use the Department of Agriculture's Flock Testing Service to gain genetic progress in wool producing ability without loss of visual buyer appeal.

Studs' use of the service will be evaluated in 1974.


New Cattle Breeds : How Do We Use Them?, J L. Anderson Jan 1973

New Cattle Breeds : How Do We Use Them?, J L. Anderson

Journal of the Department of Agriculture, Western Australia, Series 4

Traditionally, beef production in Australia has been based on a few of the many breeds that developed in the United Kingdom. Pedigree breeding was used to maintain these breeds and was probably a sound policy, when combined with selection on performance, to maintain and concentrate merit in stud herds.

Emphasis on pure breeding has caused many prejudices against the practices of mixing and selection which were the original bases of breed formation.

Despite the adaptation of British breeds to the various environments in Australia there was, and still is, continuous interest in introducing other breeds of cattle to improve beef …


Subjective Evaluation Of Teat Canal Anatomy, R. D. Appleman Jan 1973

Subjective Evaluation Of Teat Canal Anatomy, R. D. Appleman

Department of Animal Science: Faculty Publications

Since radiographic techniques have shown that streak canals with larger diameters tend to milk-out faster and are more susceptible to new intramammary infections, a practical visual test was sought to provide easier determination of cows with either extremely narrow (slow milking) or extra wide (susceptible to new infections) streak canals.

A subjective teat classification scheme was developed to describe five different teat-end shapes in 159 Holstein and Brown Swiss cows in the University of Nebraska dairy herd. Approximately one-fourth of the cattle had pointed or round teat ends, one-half had fiat or near flat, and one-fourth were either disk or …


The Serlogical Specificity Of The Lectin From Lens Culinaris, Deborah Ward Heritage Jan 1973

The Serlogical Specificity Of The Lectin From Lens Culinaris, Deborah Ward Heritage

Theses and Dissertations

Lens culinaris, the common lentil, contains a lectin which has been shown to be specific for a glycoprotein saliva antigen and a glycolipoprotein serum antigen. Both the saliva and serum precipitin reactions with the lectin are directly inhibited with saccharides, especially those related to D-mannose. Electrophoresis of the serum antigen showed that it migrates as three bands, while appearing as a single band in double diffusion precipitin patterns. Quantitative studies of the saliva antigen levels by hemagglutination inhibition titration indicated a polygenic, quantitative mode of inheritance with a minimum heritability of O. 34. Blood group ABH secretor individuals were found …


N-Methyl-N’-Nitro-N-Nitrosoguanidine Induced Dominant And Recessive Mutations In Zea Mays, Frank Charles Janca Dec 1972

N-Methyl-N’-Nitro-N-Nitrosoguanidine Induced Dominant And Recessive Mutations In Zea Mays, Frank Charles Janca

Masters Theses

No abstract provided.


The Α-Glycerophosphate Cycle In Drosophila Melanogaster. Iii. Relative Viability Of "Null" Mutants At The Α-Glycerophosphate Dehydrogenase-1 Locus, Stephen J. O'Brien, Bruce Wallace, Ross J. Macintyre Nov 1972

The Α-Glycerophosphate Cycle In Drosophila Melanogaster. Iii. Relative Viability Of "Null" Mutants At The Α-Glycerophosphate Dehydrogenase-1 Locus, Stephen J. O'Brien, Bruce Wallace, Ross J. Macintyre

Biology Faculty Articles

No abstract provided.


Spontaneous Mutation Rate In The Dumpy Region Of Drosophila, John B. Jenkins Oct 1972

Spontaneous Mutation Rate In The Dumpy Region Of Drosophila, John B. Jenkins

Biology Faculty Works

No abstract provided.


Notes On The Systemics Of Proechimys (Rodentia: Echimyidae), With Emphasis On Peruvian Forms, James L. Patton, Alfred L. Gardner Sep 1972

Notes On The Systemics Of Proechimys (Rodentia: Echimyidae), With Emphasis On Peruvian Forms, James L. Patton, Alfred L. Gardner

Occasional Papers of the Museum of Natural Science, Louisiana State University

No abstract provided.


New Species Of Philander (Marsupialia: Didelphidae) And Mimon (Chiroptera: Phyllostomidae) From Peru, Alfred L. Gardner, James L. Patton Sep 1972

New Species Of Philander (Marsupialia: Didelphidae) And Mimon (Chiroptera: Phyllostomidae) From Peru, Alfred L. Gardner, James L. Patton

Occasional Papers of the Museum of Natural Science, Louisiana State University

No abstract provided.


Yields From 18-Year-Old Aspen Via Total Tree Harvesting, M. K. Benson, D. W. Einspahr Jun 1972

Yields From 18-Year-Old Aspen Via Total Tree Harvesting, M. K. Benson, D. W. Einspahr

Aspen Bibliography

Described are the results of harvesting the above-ground parts of an 18-year-old aspen stand and the observations made on the initial suckering of the new stand. The yields for the stand of 17.7 cunits per acre were greater than predicted yields of comparable material for the site at age 35. Suckering on the area the first year after cutting averaged 37,000 aspen stands per acre and 2.6 feet in height.


Natural Succession In North-Central Minnesota, Henry L. Hansen, Vilis Kurmis Jan 1972

Natural Succession In North-Central Minnesota, Henry L. Hansen, Vilis Kurmis

Aspen Bibliography

No abstract provided.


Sheep Meat Production Trial, Department Of Agriculture, Western Australia Jan 1972

Sheep Meat Production Trial, Department Of Agriculture, Western Australia

Journal of the Department of Agriculture, Western Australia, Series 4

Better understanding of Middle- East, European and Asian market requirements for Australian sheep has influenced the design of a large meat production trial at Avondale Research Station.

The trial will supply basic information on sheep meat production and involves examples of breed types available in Western Australia and capable of supplying young, lean animals all the year round.


Cancer Eye Of Cattle, M R. Gardiner, J. L. Anderson, D. E. Robertson Jan 1972

Cancer Eye Of Cattle, M R. Gardiner, J. L. Anderson, D. E. Robertson

Journal of the Department of Agriculture, Western Australia, Series 4

Cancer of the eye and eyelids is mainly a disease of cattle, although it occasionally occurs in most species of animals and in man. It is the most common cancer in cattle, especially in certain breeds.


Meat From The Dairy Herd, R A. Bettenay Jan 1972

Meat From The Dairy Herd, R A. Bettenay

Journal of the Department of Agriculture, Western Australia, Series 4

Beef raising is a profitable sideline for many West Australian dairy farmers and gives their farming operation flexibility and versatility.

With suitable management and feeding the weight gains and consumer acceptance of dairy beef allow it to compete strongly with beef from other sources.

The breeds most common on W.A. dairy farms are well suited to beef production.


An Allometric Model For Bole Biomass Estimates Of Spruce And Aspen In Southwestern Colorado, Thomas D. Landis Jan 1972

An Allometric Model For Bole Biomass Estimates Of Spruce And Aspen In Southwestern Colorado, Thomas D. Landis

Aspen Bibliography

No abstract provided.


Aspen Minnesota's No. 1 Tree, George Rossman, Bob Rossman, Allen Rossman Jan 1972

Aspen Minnesota's No. 1 Tree, George Rossman, Bob Rossman, Allen Rossman

Aspen Bibliography

For thousands of years after the last glaciers disappeared from northern Minnesota, the forces of nature worked to develop a magnificent forest of predominantly white and red pine. Stands of big pines covered more than 5 million acres.


Deer And Aspen, American Box Board Co. Jan 1972

Deer And Aspen, American Box Board Co.

Aspen Bibliography

He's a big eater.


The Gene Frequencies Of Ten Different Alleles In Man As Determined By The Hardy-Weinberg Equilibrium, Elizabeth Suzanne Shaw Jan 1972

The Gene Frequencies Of Ten Different Alleles In Man As Determined By The Hardy-Weinberg Equilibrium, Elizabeth Suzanne Shaw

Masters Theses

No abstract provided.


Economic Operability - Factors Affecting Harvest And Transport Costs, Dennis P. Bradley, Frank E. Biltonen Jan 1972

Economic Operability - Factors Affecting Harvest And Transport Costs, Dennis P. Bradley, Frank E. Biltonen

Aspen Bibliography

No abstract provided.


A New Species Of Sturnira (Chiroptera: Phyllostomidae) From Peru, Alfred L. Gardner, John P. O'Neill Jun 1971

A New Species Of Sturnira (Chiroptera: Phyllostomidae) From Peru, Alfred L. Gardner, John P. O'Neill

Occasional Papers of the Museum of Natural Science, Louisiana State University

No abstract provided.


Systemics Of The Neotropical Populations Of Thamnophis Marcianus (Serpentes: Colubridae), Douglas A. Rossman Jun 1971

Systemics Of The Neotropical Populations Of Thamnophis Marcianus (Serpentes: Colubridae), Douglas A. Rossman

Occasional Papers of the Museum of Natural Science, Louisiana State University

No abstract provided.


A New Species Of Diploglossus (Sauria: Anguidae) From Hispaniola, Richard Thomas Jun 1971

A New Species Of Diploglossus (Sauria: Anguidae) From Hispaniola, Richard Thomas

Occasional Papers of the Museum of Natural Science, Louisiana State University

No abstract provided.