Exam 2
No description yet. This curated deck is ready for daily study.
Card preview (24)
The goal of male reproductive system is to store gametes, produce male hormones, and passage for urine
True
The testes produce __________.
Testosterone
Where do sperm cells mature in the male reproductive tract?
Epididymis
Gametes have the the same number of chromosomes as any other cells in the body.
False
What animal has a corkscrew shaped penis
Boar
Gametes have the same number of chromosomes as any other cells in the body
False
______ has testes inside the body.
Rooster
Line crossing is a breeding system that results in non-fertile offspring.
False
Spermatozoa are developed in the
Testicles
The _____ organ in the male produces testosterone?
Testicles
Where is semen deposited in a cows reproductive tract during natural mating?
Vagina
What is an intact male pig called?
Boar
Where is the nucleus located in sperm cells?
Head
Transcription is a type of nuclear division which results in germ cells containing one member of each chromosome pair.
False
Which livestock species has a vascular penis?
Stallion
How many spermatids are yield during meiosis of the primary germ cell?
4
When does reproduction begin?
Copulation
When does reproduction begin?
Copulation
Which selection method uses numerical rating by combining performance traits into a single number?
Selection index
Sus scrofa is the scientific name for
Swine
What type of mating system does the poultry and rabbit industry use?
Hand Mating
Independent culling is a selection method where animals are removed from the herd if they don’t meet a minimum standard.
True
Developing breeding stock with high predicted inheritance is the objective of which of the following?
Purebred producer
Using two or more breeds in one breeding system with good hybrid vigor is know as
Composite breeding