Biology (Genetics) Flashcards
Allele
Allele (One form of a gene)
Anticodon
Anticodon (3 letter part of the tRNA that complements 3 letter part of mRNA codon)
Anitparallel
Antiparallel (Parallel but running in opposite directions)
Antigen
Antigen (Markers on blood cells)
Anaphase
Anaphase (Stage of mitosis where chromosomes move away)
Fruchtwasseruntersuchung
Amniocentesis (Medical procedure used to study chromosomes of fetus)
Autosomen
Autosomes (Body chromosomes that do not determine gender)
Blastula
Blastula (Ball of cells at embryo stage)
Carcinogen
Carcinogen (Something that causes cancer)
Centromer
Centromere (Middle part of a chromosome)
Chromatin
Chromatin (Unstructured DNA material that carries genetic information)
Chromosom
Chromosome (Structures that carry genetic information)
Klonen
Cloning (Making an identical genetic copy of something)
Kodominanz
Codominant (A genetic trait when both the dominant and recessive alleles are shown)
Codon
Codon (3 letter part of mRNA that matches anticodon site on tRNA)
Zellteilung
Cytokinesis (Division of cell contents after the genetic material has divided)
Dihybrid
Dihybrid (A genetic cross involving two traits)
Diploid
Doploid (Two copies of a chromosome)
Embryo
Embryo (Early stage of human (up to 8 weeks))
Befruchtung
Fertilization (A process which joins the egg and the sperm)
Fötus
Fetus (Later stage of human development from 9 weeks to birth)
Gamet
Gamete (Sex cell)
Gametogonese
Gametogonesis (Formation of sperm and egg cells)
Gelelektrophorese
Gel Electrophoresis (Technique used to separate molecules (DNA) based on their size)
Genotyp
Genotype (The alleles of a gene in an individual)
Haploid
Haploid (One copy of a chromosome)
Heterozygot
Heterozygous (A genetic trait that has one dominant and one recessive allele)
Homologe Chromosomen
Homologous Chromosome (Chromosomes that have the same size and genetic information)
Homozygot
Homozygous (A genetic trait that has two of the same alleles either two dominant or two recessive alleles)
Karyotyp
Karyotype (A picture of human chromosomes arranged by size)
Meiose
Meiosis (A method used to produce sex cells (sperm and egg))
Metaphase
Metaphase (Stage of mitosis where chromosomes line up in the middle of the cell)
Metastase
Metastasis (Spreading of cancer from one area of body to another)
Mitose
Mitosis (Stages of cell division)
Monohybrid
Monohybrid (A genetic cross incolcing one trait)
Monosomie
Monosomy (A genetic disorder that has a single chromosome instead of a normal pair of chromosomes. Example: Turner Syndrome)
Mutation
Mutation (Changes in structure of DNA (insertion, substitution, deletion, etc)
Non-Disjunction
Non-Disjunction (When chromosomes do not separate properly, can lead to genetic disorder)
Unbefruchtete Eizelle
Ootid (An ovum that is NOT fertilized)
Ovum
Ovum (Egg cell)
Stammbaum
Pedigree (Diagram showing the passing on of a genetic trait in a family)
Phosphodiesterbindung
Phosphodiester Bond (Chemical bond between sugar and phosphate group in DNA)
Plasmid
Plasmid (Bacterial DNA found outside the main chromosome)
Polyploid
Polyploid (Many copies of a chromosome)
Phänotyp
Phenotype (How an organism looks)
Pluripotente Stammzelle
Pluripotent Cells (Cells that can become MANY (but not all) different types of tissue)
Prophase
Prophase (Early stage of mitosis)
Rezessiv
Recessive (The weaker form of a gene)
Semikonservative Replikation
Semiconservative Replication (Method used to make a copy of DNA)
Somatische Zelle
Somatic Cells (Cells in a living thing that are NOT the sex cells (gemetes))
Spindelfaser
Spindle Fibre (Protein structures that chromosomes move along)
Stammzelle
Stem Cells (Generalized cells that have the ability to become different types of tissue)
Synapse
Synapsis (Pairing of homologous chromosomes)
Telophase
Telophase (End stage of mitosis)
Totipotent
Totipotent (Stem cells that can becoime anything)
Transkription
Transcription (Making RNA from DNA)
Trisomie
Trisomy (A genetic disorder that has 3 chromosomes instead of a normal pair of chromosomes)