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Chapter 2 terms

Environment the external surroundings in which a plant or animal lives, which tend to influence its development and behaviour.
Plant breeding The selection of the very best plants and the saving of seeds from those plants.
Enzyme A protein created by an organism that increases the rate at which chemical reactions occur.
Rennin A coagulating enzyme that can curdle milk, found in rennet.
Fermentation A process involving yeasts or other microorganisms breaking down a substance.
Yeast A single-celled ascomycetous fungi in which little or no mycelium develops and which ordinarily reproduce by budding
Heredity the characteristics we get genetically from Tur parents and our relatives before them.
Law of segregation The members of a pair of homologous chromosomes segregate during meiosis and are distributed to different gametes.
Law of independent assortment Each member of a pair of homologous chromosomes segregates during meiosis independently of the members of other pairs, so that alleles carried on different chromosomes are distributed randomly to the gametes.
Cells The smallest unit of an organism with a nucleus.
Vaccine An inoculation used to stimulate antibodies in your body so you will develop immunity against a certain disease.
Antibiotic A medicine that helps a person or animal heal from an infection by destroying or limiting harmful microorganisms.
Artificial insemination The impregnation of a female by artificially injecting semen into the vagina, uterus, etc. rather than by sexual intercourse.
Embryo transfer The fertilized ovum is transferred at the blastocyst stage to the recipient's uterus.
Genetic code The biochemical code in DNA or RNA that determines the characteristics of an organism, made up of a long chain or sequence of nucleotides, codons, and genes
Vertical gene transfer The biological process by which new offspring individual organisms are produced from their "parents".
DNA A self-replicating material present in nearly all living organisms as the main constituent of chromosomes.
Double helix A pair of parallel helices intertwined about a common axis.
Genetic engineering The deliberate modification of the characteristics of an organism by manipulating its genetic material.
Horizontal gene transfer The transfer of genes between organisms in a manner other than traditional reproduction.
Gene splicing The technology of preparing recombinant DNA in vitro by cutting up DNA molecules and splicing together fragments from more than one organism.
Created by: mikejd96