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vocabulary 2/18
| Term | Term |
|---|---|
| reproduction in which sex cells of which sex cells of each parent unite to produce offspring that share traits from both | sexual reporduction |
| reproduction that doesn't involve the union of the sex cells in which a single parent produces it & it genetically looks identical | asexual reproduction |
| to breed or cause the production of the hybrid | hybridization |
| human practice of breeding animals or plants that have certain desired traits | selective breeding |
| a cell, cell products or organism that is genetically identical to the unit or individual form which it was deprived | cloning |
| in an eukaryotic cell, one of the structures in the nucleus that are made up of DNA & protein;in the prokaryotic cell, the main ring of DNA | chromosomes |
| organism carrying an unexpressed defective gene | carrier |
| diagram that shows the occurrence of a genetic trait in several generations of family- like a "family tree" | pedigree |
| breed from closely related people or animals | inbreeding |
| phenotypic expression of an allele related to the chromosomal sex of the individual | sex-linked cells |
| when the egg & sperm fuze | zygote |
| process of cell division which the # of chromosomes decrease by 2 divisions of the nucleus, which results in the production of sex cells | meiosis |
| action/process of fertilizing an egg, female animal, or plant involving the fusion of male & female gametes to form a zygote | fertilization |
| a pair of chromosomes that determine the sex of an indivisual | sex chromosomes |
| containing to complete set of chromosomes 1 from each parent | diploid |
| describes a cell, nucleus or organism that has only one set of unpaired chromosomes | haploid |
| a mature haploid male/female germ cell that is able to unite with another of opposite sex in sexual production to form a zygote | gamete |
| fertilization of an egg by sperm that occurs inside the body of a female | internal fertilization |
| union of sex cells outside the bodies of the parents | external fertilization |
| chromosomes that carry the same set of genes | homologous chromosomes |
| male sex cell | sperm |
| female sex cell | egg |