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WFHS-Reproduction
Reproduction Vocabulary
Question | Answer |
---|---|
Artificial Insemination | the placing of sperm cells in contact with female reproductive cells by a method other than natural mating. |
Ova | female reproductive cells or eggs from the ovary of an animal |
Sperm | male reproductive cellls |
Embryo Transfer | a process that removes fertilized eggs from a female and places them in another female who carries them until birth |
Zygote | fertilized eggs |
Breed | a group of animals having similar physical characteristics that are passed on to their offspring |
Gamete | a reproductive cell |
Cell | a unit of protoplasmic material with a nucleus and cell walls |
Mitosis | simple cell division for growth |
Meiosis | cell division that results in gametes (reproductive cell division) |
Genotype | the genetic makeup of an individual |
Phenotype | the physical appearance of an individual |
Testes | organs that produce sperm cells |
Estrus | heat period, or time when a female is ready for mating |
Progesterone | hormone that prevents estrus during pregnancy and causes development of the mammary (milk producing) system |
Ovulation | the process of releasing mature eggs from the ovary |
Parturition | birth |
Gestation | length of pregnancy |
Freemartin | sexually imperfect female calf, usually sterile, born as a twin to a male calf |
Mutation | a change in the gene sequence of an individual's DNA |