ANSC 4395-Animal Breeding & Genetics
Test 1 Exam UPDATED QUESTIONS AND
CORRECT ANSWERS
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
Test 1 Exam UPDATED QUESTIONS AND
CORRECT ANSWERS
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
