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ANSC 4395 Exam 1 With 100% Correct And Verified Answers
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ANSC 4395 Exam 1 With 100% Correct And Verified Answers
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ANSC 4395 Exam 1 With 100% CorrectAnd Verified Answers
What is Animal Breeding - Correct Answer-Scientific field that uses
the principles of genetics to aid in the improvement of livestock.
What are the 3 classes of cattle? - Correct Answer-British
American
Exotics- usually European
Who is Robert Bakewell? - Correct Answer-"Father of Animal
Breeding"
- Leased out Bulls
What did Robert Bakewell not hesitate to mate? - Correct
Answer-"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? -
Correct Answer-Shorthorns
Who is Gregor Mendel? - Correct Answer-He established basic
genetic principles that are still accepted today.
What did Gregor Mendel study? - Correct Answer-The genetics of
the garden pea.
Population Genetics - Correct Answer-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? - Correct
Answer-1. Dr. Sewell Wright
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, 2. Sir Ronald Fisher
Dr. Wright did research with who? - Correct Answer-USDA and
then later at the University of Chicago
Worked at the Rothamstead Experiment Station in Great Britain. -
Correct Answer-Dr. Fisher
Dr. Jay Lush - Correct Answer-"Father of MODERN animal
breeding"
*established a formal theoretical framework to the science of animal
breeding*
Dr. Jay Lush established what principles? - Correct Answer-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? - Correct Answer-Computers/
technology
Artificial Insemination and embryo transfer have allowed for what?
- Correct Answer-Faster progeny testing and selection has become
much more efficient.
What is the primary goal of animal breeders? - Correct Answer-
Identify animals with desirable genes and increase the frequency of
those genes.
*they want a bunch, they're the ones they select to be parents to pass
on the good genes*
What is the best animal? - Correct Answer--Lab- Show winner or
best retriever
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