ANSC 4395-Animal Breeding & Genetics Test 1 Questions And Answers Latest Top Score.
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ANSC 4395-Animal Breeding & Genetics
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ANSC 4395-Animal Breeding & Genetics
ANSC 4395-Animal Breeding & Genetics Test 1 Questions And Answers Latest Top Score.
Animal Breeding - correct answer. scientific field that uses the principles of genetics to aid in the improvement of livestock
Purebred breeders have attempted to improve their livestock since...
ANSC 4395-Animal Breeding & Genetics
Test 1 Questions And Answers Latest Top
Score.
Animal Breeding - correct answer. scientific field that uses the principles of genetics to
aid in the improvement of livestock
Purebred breeders have attempted to improve their livestock since at least the... -
correct answer. 1700s
Many of our current breeds have their roots in Great Britain and continental Europe,
dating back to the... - correct answer. 18th & 19th centuries
Robert Bakewell - correct answer. "Father of Animal Breeding"
What type of animals did Robert Bakewell work with? - correct answer. Longhorn
cattle, Shire horses, and Leicester sheep
What else did Robert Bakewell do? - correct answer. -Sought out individuals that
would strengthen his herd
-Leased out males to neighbors to identify animals that produced superior offspring
-Mated 'best' to 'best' with little regard to ancestry
One of the first organized breeds of livestock (1580) ? - correct answer. Shorthorns
When did Shorthorn breeders begin keeping records? - correct answer. 1750
, During the mid 19th century, who studied genetics of the garden pea? - correct answer.
Gregor Mendel
Gregor Mendel also... - correct answer. -Established basic genetic principles that are
still accepted today
-Results of his experiments were published in an obscure scientific journal and were not
widely known until the early 20th century
Population Genetics - correct answer. Branch of genetics which deals with the factors
that affect the genetic structure of populations
Dr. Sewell Wright - correct answer. -Pioneer of the population genetics field
-Did his research with the USDA and later at the University of Chicago
Sir Ronald Fisher - correct answer. -Pioneer of the population genetics field
-Worked at the Rothamstead Experiment Station in Great Britain
Dr. Wright & Dr. Fisher's running debates and arguments fueled the rapid development
of the field in what year(s)? - correct answer. 1920s & 1930s
Dr. Jay Lush - correct answer. "Father of Modern Animal Breeding"
Dr. Lush worked at... - correct answer. Iowa State University in the 1920s and
extended the work of Wright & Fisher to design programs for farm animals
Dr. Lush also... - correct answer. -Established a formal theoretical framework to the
science of animal breeding
-Established principles of selection, the use of inbreeding to conserve genes of some
individuals, & crossbreeding systems to take advantage of hybrid vigor
During the last 40-50 years... - correct answer. The use of computers has greatly
enhanced the potential for genetic change.
EX: Breed associations have extensive databases that allow comparisons of all
individuals within a breed
A.I. & E.T. have allowed for... - correct answer. Faster progeny testing and selection
has become much more efficient
The Future... - correct answer. -Cloning
-Genetically engineered compounds
-Gene therapy
-Gene splicing
-DNA transfer (may make their way into livestock improvement plans)
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