ANSC 1011 Exam 1 Questions and Answers Latest Update 2025 Graded A+
because humans no longer needed to follow their food sources __________ began to form - Answers
agrarian societies
Adenine binds to? - Answers Thymine
Which vertebrates are capable of digesting cellulose? - Answers None
How is an antinutrient a defense mechanism of plants? - Answers A compound produced by the plant
that limits the absorption of certain nutrients by the animal
Cytosine binds to? - Answers Guanine
Heritability - Answers the proportion of phenotypic variation in a population due to the genetic variation
of a population
Pleiotropy is the phenomenon in which - Answers one gene affects two seemingly unrelated traits
A significant proportion of nutrient absorption occurs in the - Answers Small intestine
Essential fatty acids are also known as - Answers omega fatty acids
Which industry is greater in production? Beef or Dairy? - Answers Dairy
Horses have a simple stomach (like humans) but are capable of digesting plant material (like cows).
Why? - Answers Horses have a large, highly developed cecum in which plant matter is digested before
continuing through the large intestine
A female cow that has not yet given birth is called a - Answers Heifer
accurace of selection - Answers how well the estimate represents the true breeding value
Was Dolly the sheep the first transgenic animal ever created? - Answers Nope
Benefits of understanding animal behavior are: - Answers - The ability to anticipate an animal's reaction
to a stimulus
- The ability to differentiate between a normal and abnormal behavior
Chromosomes come in pairs, one from the mother and one from the father. These paired chromosomes
are referred to as - Answers homologous
Alleles - Answers - are the various forms of a given gene on corresponding homologous chromosomes
- for a particular gene affect the same the trait
, - are generally represented by a letter
selection differential - Answers how much superior the selected animals are compared to the non-
selected animals
Alpha-helices and beta pleated sheets are - Answers secondary structures of proteins and are formed
due to hydrogen bonding of the peptide backbone
Habituation - Answers When an animal learns to ignore a stimulus that occurs often
selected intensity - Answers the proportion of superior animals are selected as replacements
Phenotype formula - Answers Phenotype = genotype + environment
Standing outside of the flight zone will cause an animal to - Answers Stop moving
generation interval - Answers the average age of the parents when the offspring destined to replace
them are born
a behavior is the way in which an animal reacts to a certain situation or - Answers stimulus
Nutrient requirements vary by stage of life. What are the four production phases? - Answers -
maintenance
- lactation
- growth
- reproduction
When inside of the flight zone, if you step in front of the point of balance, an animal will - Answers Back
up
Is it possible to select for a single trait? - Answers Yes
Feed costs may exceed ___ % of the costs of production - Answers 70
What are examples of gene expression with regards to Mendelian inheritance? - Answers - Complete
dominance
- Co-dominance
- Partial dominance
- Recessive
When many genes influence the expressed phenotype, it is considered ____________ inheritance -
Answers quantitative
because humans no longer needed to follow their food sources __________ began to form - Answers
agrarian societies
Adenine binds to? - Answers Thymine
Which vertebrates are capable of digesting cellulose? - Answers None
How is an antinutrient a defense mechanism of plants? - Answers A compound produced by the plant
that limits the absorption of certain nutrients by the animal
Cytosine binds to? - Answers Guanine
Heritability - Answers the proportion of phenotypic variation in a population due to the genetic variation
of a population
Pleiotropy is the phenomenon in which - Answers one gene affects two seemingly unrelated traits
A significant proportion of nutrient absorption occurs in the - Answers Small intestine
Essential fatty acids are also known as - Answers omega fatty acids
Which industry is greater in production? Beef or Dairy? - Answers Dairy
Horses have a simple stomach (like humans) but are capable of digesting plant material (like cows).
Why? - Answers Horses have a large, highly developed cecum in which plant matter is digested before
continuing through the large intestine
A female cow that has not yet given birth is called a - Answers Heifer
accurace of selection - Answers how well the estimate represents the true breeding value
Was Dolly the sheep the first transgenic animal ever created? - Answers Nope
Benefits of understanding animal behavior are: - Answers - The ability to anticipate an animal's reaction
to a stimulus
- The ability to differentiate between a normal and abnormal behavior
Chromosomes come in pairs, one from the mother and one from the father. These paired chromosomes
are referred to as - Answers homologous
Alleles - Answers - are the various forms of a given gene on corresponding homologous chromosomes
- for a particular gene affect the same the trait
, - are generally represented by a letter
selection differential - Answers how much superior the selected animals are compared to the non-
selected animals
Alpha-helices and beta pleated sheets are - Answers secondary structures of proteins and are formed
due to hydrogen bonding of the peptide backbone
Habituation - Answers When an animal learns to ignore a stimulus that occurs often
selected intensity - Answers the proportion of superior animals are selected as replacements
Phenotype formula - Answers Phenotype = genotype + environment
Standing outside of the flight zone will cause an animal to - Answers Stop moving
generation interval - Answers the average age of the parents when the offspring destined to replace
them are born
a behavior is the way in which an animal reacts to a certain situation or - Answers stimulus
Nutrient requirements vary by stage of life. What are the four production phases? - Answers -
maintenance
- lactation
- growth
- reproduction
When inside of the flight zone, if you step in front of the point of balance, an animal will - Answers Back
up
Is it possible to select for a single trait? - Answers Yes
Feed costs may exceed ___ % of the costs of production - Answers 70
What are examples of gene expression with regards to Mendelian inheritance? - Answers - Complete
dominance
- Co-dominance
- Partial dominance
- Recessive
When many genes influence the expressed phenotype, it is considered ____________ inheritance -
Answers quantitative
