Download Genetics and Reproductive Biology: Terms and Definitions and more Quizzes Animal Biology in PDF only on Docsity!
Gene
mapping
Identifying the location of genes on chromosomes TERM 2
DNA Fingerprinting can be used for
what?
DEFINITION 2 To detect genetic code differences between individuals Parentage Criminal investigation TERM 3
Genetic Engineering
DEFINITION 3 Altering genetic material in some way TERM 4
Transgenic organisms
DEFINITION 4 DNA from an external source is inserted into the genetic code of an individual TERM 5
Pharming
DEFINITION 5 Pharmaceuticals are produced in livestock Secreted in milk, blood, or urine for convenient collection
Xenotransplantation
Organs from some animals can be transplanted into humans Using organs from genetically engineered animals could prevent rejection by recipients TERM 7
Cloning
DEFINITION 7 Producing an identical twin TERM 8
Embryonic cloning
DEFINITION 8 Splitting embryos to produce two or more TERM 9
What is the process of Adult cloning somatic
cell nuclear transfer
DEFINITION 9 Remove the nucleus from an ovum of the same species Transplant the nucleus from an adult cell into the enucleated ovum (from animal to be cloned) Ovum with new genetic material develops as an embryo Transfer embryo into a recipient female Offspring is genetically identical to the donor of the nucleus TERM 10
When and who was cloning first successful?
DEFINITION 10 Dolly 1996
Cryptorchidism
The condition where testes dont descend out of the body Unilateral (one) or bilateral (both) cryptorchid Inhibits sperm production, but not testosterone production TERM 17
Epididymis (where is it located, what are its
functions?)
DEFINITION 17 Next to the testis within the scrotum Includes a head, body, and tail Major functions: Sperm storage Sperm maturation Sperm transport TERM 18
Vas deferens
DEFINITION 18 Primary function is sperm transport Vasectomy can be used for sterilization TERM 19
Urethra
DEFINITION 19 Passageway for semen and urine Extends through the end of the penis TERM 20
Accessory sex glands (What do they do?)
DEFINITION 20 Attached to the urethra in the pelvic area Add fluid volume, nutrients, buffers, and coagulation factors
What are examples of the accessory sex
glands? (Males)
Vesicular glands (seminal vesicles) Prostate gland Bulbourethral gland (Cowpers gland) TERM 22
Penis
DEFINITION 22 Organ of copulation TERM 23
Vascular penis
DEFINITION 23 Erection by enlargement and extension Present in stallions, dogs, and cats Dogs and cats also have a baculum or os penis (bone inside the penis that aids in copulation) TERM 24
Fibroelastic penis
DEFINITION 24 Erection primarily by extension Retractor penis muscle holds the relaxed penis in an S- shape called the sigmoid flexure Present in bulls, rams, boars, and bucks TERM 25
In poultry where is the Testis
located?
DEFINITION 25 Testes are contained within the body No temperature regulation is needed
