| A | B |
|---|
| Yellow Body or Corpus Luteum | Produces progesterone which is the hormone which maintains pregnancy |
| Uterine Horns | Place where the embryo develops in the sow |
| Cervix | Organ with a lot of connective tissue between the vagina and the uterus |
| Uterus | Place where the embryo attaches and develops in most species |
| Ovaries | Place where ova and female hormones are produced |
| Vulva | Exterior female reproductive part that leads to the vagina |
| Vagina | Female organ of copulation |
| Copulation | Act of mating |
| Oviducts | Place where sperm and egg meet and fertilization takes place. |
| Hen - time from ovulation to laying | 24 hours |
| Testicles | Produce sperm cells and testosterone |
| Epididymis | Sperm mature here and are stored |
| Scrotum | Sack that contains and protects the testicles |
| Vas Deferens | Transports sperm from the epididymis to the urethra |
| Accessory Sex Glands | Seminal Vesicles, prostate and bulbourethral |
| Penis | Organ of copulation |
| Hormones | Chemicals secreted by an animal that affect another part of the organism |
| Estrus Synchronization | using drugs to control when an animal comes into heat |
| Kamar | Heat Detection Aid - patch that changes color with pressure and heat. |
| Standing Heat | when an animal stands to be ridden |
| Fertilization | Union of the sperm and egg |
| Attachment | When the embryo attaches to the uterus |
| Gestation period of humans | 253-303 days |
| Gestation period of cattle | 285 days |
| Gestation period of sheep | 147 days |
| Gestation period of sows | 114 days |
| Gestation period of mares | 336 days |
| Umbilical Cord | connects the navel to the placenta where wastes, food and oxygen are exchanged |
| Parturition | birth |
| Dystocia | Abnormal position during birth |
| Lactation | Production of milk |
| Gestation | Length of time an animal is pregnant |
| Chromatids | two exact copies of DNA that make up a chromosome |
| Centromere | Place where chromatids are attached. |
| Homologous Chromosome | Chromosomes that are similar in size, shape and genetic content. |
| Genes | Fundamental physical and functional unit of heredity |
| Gametes | Organisms reproductive cells |
| Somatic Cells | All cells besides sex cells |
| Diploid | A cell containing two sets of like chromosomes |
| Haploid | A cell containing one set of chromosomes |
| Zygote | A fertilized ovum |
| Genetic mutation | Altering the gene by deletion, inversion or duplication |
| Gregor Mendel | The father of genetics |
| Genotype | Genetic code of the animal |
| Phenotype | Physical appearance of the animal |
| Heterosis | Performance of an offspring superior to either parent (Hybrid Vigor) |
| Intensive inbreeding | mating of closely related animals for several generations |
| Linebreeding | a mild form of inbreeding that maintains a high genetic relationship with a common ancestor |
| Species Cross | Crossing of animals of different species |
| Crossbreeding | mating of animals of different established breeds |
| Outcrossing | Mating of unrelated animals within the same breed |
| Grading Up | mating of purebred sires to commercial females |
