ANSC 1401 REVISION PAST PAPER 2025/2026 QUESTIONS
AND SOLUTIONS GRADED A+ TIP
✔✔Cows, sows, and mares have a ____ uterus type - ✔✔Bicornuate
✔✔When a cow is given FSH to produce greater than normal number of eggs, this is
called? - ✔✔Superovulation
✔✔What is the term for a difficult birth? - ✔✔dystocia
✔✔The ___ in the hen reproductive tract secretes thick albumen (egg white) -
✔✔Magnum
✔✔The hormone responsible for the stimulation of milk "letdown" is? - ✔✔Oxytocin
✔✔The first mammal to be cloned from adult cells was "Dolly", a ___ - ✔✔Sheep
✔✔The site of semen deposition during AI of cattle is - ✔✔Uterine Body
✔✔An advantage of estrous synchronization is? - ✔✔All are advantages
✔✔A mating of two heterozygous (Bb) cattle what percentage of the offspring will be
red? - ✔✔25%
✔✔The hormone that is produced by the corpus luteum on the ovary us called ____
(reffered to as the "pregnancy hormone") - ✔✔Progesterone
✔✔Which hormone is produced by the anterior pituitary and stimulates follicle
development and estrogen production? - ✔✔FSH ( Follicle Stimulating Hormone)
✔✔The first mike that is produced after parturition that is high in antibodies is called -
✔✔Colostrum
✔✔The hormone that is responsible for partial control of seasonal reproductive patterns
is - ✔✔Melatonin
✔✔For cattle AI, straws of semen are stored/preserved in - ✔✔Liquid Nitrogen
✔✔Ruminant animals have what placenta type? - ✔✔Cotyledonary
✔✔The hormone that is released on day 15 of estrous to cause regression of the
corpus luteum (breaking apart the CL) and brings the female into heat is called -
✔✔Prostaglandin
, ✔✔The seminiferous tubules located within the testes are responsible for the production
of what? - ✔✔sperm cells
✔✔If an animal has one dominant allele and one recessive allele for a given trait, they
are considered - ✔✔Heterozygous
✔✔Who was the founder of modern genetics? - ✔✔Gregor Mendel
✔✔Who was given the name "Father of the Art of Animal Breeding" - ✔✔Robert
Bakewell
✔✔What is the term for the intermediate state between parents or a "blending" of
parental phenotypes? - ✔✔incomplete dominance
✔✔What type of inheritance involves measurable traits that are strongly influenced by
the environment - ✔✔Quantitative inheritance
✔✔What breeding system mates closely related individuals? - ✔✔Inbreeding
✔✔What breeding system mates two animals of the same breed that are unrelated -
✔✔Outcrossing
✔✔___ is the term for an increase in productivity in the crossbred progeny above the
average of breeds or lines that are crossed - ✔✔Heterosis
✔✔Which of the following is not a benefit of outbreeding? - ✔✔Increased homozygosity
✔✔Why are mules a sterile species cross? - ✔✔Unpaired chromosomes & not enough
homology
✔✔Which of the following is not a characteristic of a haploid cell? - ✔✔Contains paired
chromosomes
✔✔Cells that produce milk - ✔✔Alveoli
✔✔The disorder un dairy cattle that occurs shortly after calving resulting from sudden
loss of calcium in the milk is called - ✔✔Milk fever
✔✔The typical lactaction period for a dairy cow is - ✔✔305 days
✔✔Smallest in frame size, produces milk with the highest percent fat & protein -
✔✔Jersery
AND SOLUTIONS GRADED A+ TIP
✔✔Cows, sows, and mares have a ____ uterus type - ✔✔Bicornuate
✔✔When a cow is given FSH to produce greater than normal number of eggs, this is
called? - ✔✔Superovulation
✔✔What is the term for a difficult birth? - ✔✔dystocia
✔✔The ___ in the hen reproductive tract secretes thick albumen (egg white) -
✔✔Magnum
✔✔The hormone responsible for the stimulation of milk "letdown" is? - ✔✔Oxytocin
✔✔The first mammal to be cloned from adult cells was "Dolly", a ___ - ✔✔Sheep
✔✔The site of semen deposition during AI of cattle is - ✔✔Uterine Body
✔✔An advantage of estrous synchronization is? - ✔✔All are advantages
✔✔A mating of two heterozygous (Bb) cattle what percentage of the offspring will be
red? - ✔✔25%
✔✔The hormone that is produced by the corpus luteum on the ovary us called ____
(reffered to as the "pregnancy hormone") - ✔✔Progesterone
✔✔Which hormone is produced by the anterior pituitary and stimulates follicle
development and estrogen production? - ✔✔FSH ( Follicle Stimulating Hormone)
✔✔The first mike that is produced after parturition that is high in antibodies is called -
✔✔Colostrum
✔✔The hormone that is responsible for partial control of seasonal reproductive patterns
is - ✔✔Melatonin
✔✔For cattle AI, straws of semen are stored/preserved in - ✔✔Liquid Nitrogen
✔✔Ruminant animals have what placenta type? - ✔✔Cotyledonary
✔✔The hormone that is released on day 15 of estrous to cause regression of the
corpus luteum (breaking apart the CL) and brings the female into heat is called -
✔✔Prostaglandin
, ✔✔The seminiferous tubules located within the testes are responsible for the production
of what? - ✔✔sperm cells
✔✔If an animal has one dominant allele and one recessive allele for a given trait, they
are considered - ✔✔Heterozygous
✔✔Who was the founder of modern genetics? - ✔✔Gregor Mendel
✔✔Who was given the name "Father of the Art of Animal Breeding" - ✔✔Robert
Bakewell
✔✔What is the term for the intermediate state between parents or a "blending" of
parental phenotypes? - ✔✔incomplete dominance
✔✔What type of inheritance involves measurable traits that are strongly influenced by
the environment - ✔✔Quantitative inheritance
✔✔What breeding system mates closely related individuals? - ✔✔Inbreeding
✔✔What breeding system mates two animals of the same breed that are unrelated -
✔✔Outcrossing
✔✔___ is the term for an increase in productivity in the crossbred progeny above the
average of breeds or lines that are crossed - ✔✔Heterosis
✔✔Which of the following is not a benefit of outbreeding? - ✔✔Increased homozygosity
✔✔Why are mules a sterile species cross? - ✔✔Unpaired chromosomes & not enough
homology
✔✔Which of the following is not a characteristic of a haploid cell? - ✔✔Contains paired
chromosomes
✔✔Cells that produce milk - ✔✔Alveoli
✔✔The disorder un dairy cattle that occurs shortly after calving resulting from sudden
loss of calcium in the milk is called - ✔✔Milk fever
✔✔The typical lactaction period for a dairy cow is - ✔✔305 days
✔✔Smallest in frame size, produces milk with the highest percent fat & protein -
✔✔Jersery
