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Definitions for various terms related to genetics and reproductive biology, including gene mapping, dna fingerprinting, genetic engineering, transgenic organisms, pharming, xenotransplantation, cloning, embryonic cloning, cryptorchidism, epididymis, vas deferens, urethra, accessory sex glands, and penis types. It also includes information about the locations and functions of these structures.
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Identifying the location of genes on chromosomes TERM 2
DEFINITION 2 To detect genetic code differences between individuals Parentage Criminal investigation TERM 3
DEFINITION 3 Altering genetic material in some way TERM 4
DEFINITION 4 DNA from an external source is inserted into the genetic code of an individual TERM 5
DEFINITION 5 Pharmaceuticals are produced in livestock Secreted in milk, blood, or urine for convenient collection
Organs from some animals can be transplanted into humans Using organs from genetically engineered animals could prevent rejection by recipients TERM 7
DEFINITION 7 Producing an identical twin TERM 8
DEFINITION 8 Splitting embryos to produce two or more TERM 9
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
DEFINITION 10 Dolly 1996
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
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
DEFINITION 18 Primary function is sperm transport Vasectomy can be used for sterilization TERM 19
DEFINITION 19 Passageway for semen and urine Extends through the end of the penis TERM 20
DEFINITION 20 Attached to the urethra in the pelvic area Add fluid volume, nutrients, buffers, and coagulation factors
Vesicular glands (seminal vesicles) Prostate gland Bulbourethral gland (Cowpers gland) TERM 22
DEFINITION 22 Organ of copulation TERM 23
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
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
DEFINITION 25 Testes are contained within the body No temperature regulation is needed