ANSC 4395 Exam 1 Questions with Verified
Correct Answers
What is Animal Breeding
Scientific field that uses the principles of genetics to aid in the improvement of livestock.
What are the 3 classes of cattle?
British
American
Exotics- usually European
Who is Robert Bakewell?
"Father of Animal Breeding"
- Leased out Bulls
What did Robert Bakewell not hesitate to mate?
"best to the best" with little regard to ancestry. Not afraid to inbreed.
What was one of the first organized breeds of livestock in 1580?
Shorthorns
Who is Gregor Mendel?
He established basic genetic principles that are still accepted today.
What did Gregor Mendel study?
The genetics of the garden pea.
Population Genetics
, Branch of genetics which deals with the factors that affect the genetic structure of
populations.
what % of alleles and genotypes
What two guys were involved with population genetics?
1. Dr. Sewell Wright
2. Sir Ronald Fisher
Dr. Wright did research with who?
USDA and then later at the University of Chicago
Worked at the Rothamstead Experiment Station in Great Britain.
Dr. Fisher
Dr. Jay Lush
"Father of MODERN animal breeding"
established a formal theoretical framework to the science of animal breeding
Dr. Jay Lush established what principles?
The principles of selection, the use of inbreeding to conserve genes of some individuals, and
crossbreeding systems to take advantage of HYBRID VIGOR.
During the last 30 or 40 years, the use of what has greatly enhanced the potential for
genetic change?
Computers/ technology
Artificial Insemination and embryo transfer have allowed for what?
Faster progeny testing and selection has become much more efficient.
Correct Answers
What is Animal Breeding
Scientific field that uses the principles of genetics to aid in the improvement of livestock.
What are the 3 classes of cattle?
British
American
Exotics- usually European
Who is Robert Bakewell?
"Father of Animal Breeding"
- Leased out Bulls
What did Robert Bakewell not hesitate to mate?
"best to the best" with little regard to ancestry. Not afraid to inbreed.
What was one of the first organized breeds of livestock in 1580?
Shorthorns
Who is Gregor Mendel?
He established basic genetic principles that are still accepted today.
What did Gregor Mendel study?
The genetics of the garden pea.
Population Genetics
, Branch of genetics which deals with the factors that affect the genetic structure of
populations.
what % of alleles and genotypes
What two guys were involved with population genetics?
1. Dr. Sewell Wright
2. Sir Ronald Fisher
Dr. Wright did research with who?
USDA and then later at the University of Chicago
Worked at the Rothamstead Experiment Station in Great Britain.
Dr. Fisher
Dr. Jay Lush
"Father of MODERN animal breeding"
established a formal theoretical framework to the science of animal breeding
Dr. Jay Lush established what principles?
The principles of selection, the use of inbreeding to conserve genes of some individuals, and
crossbreeding systems to take advantage of HYBRID VIGOR.
During the last 30 or 40 years, the use of what has greatly enhanced the potential for
genetic change?
Computers/ technology
Artificial Insemination and embryo transfer have allowed for what?
Faster progeny testing and selection has become much more efficient.
