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Unit 3, Wk 10/11

Stack #100428

VocabularyDefinitionOriginPrefix/MeaningRoot/MeaningSuffix/Meaning
Allele One member of a pair or series of genes that occupy a specific position on a specific chromosome. German: short for Allelomorph N/A allelois/each other; morphe/form N/A
dominant producing the same phenotype whether its allele is identical or dissimilar Latin N/A dominari/ to rule rule -ant/ performing (a specified action) or being (in a specified condition)
recessive producing little or no phenotypic effect when occurring in heterozygous condition with a contrasting allele Latin re-/back cedere/ to go -ive/ that performs or tends toward an (indicated) action
genotype all or part of the genetic constitution of an individual or group Greek genos/ birth, race, kind typos/ dent, impression, mark, figure, original form N/A
phenotype the visible properties of an organism that are produced by the interaction of the genotype and the environment Greek N/A phainein/ to show; typos/ type N/A
heterozygous Relating to a cell that has two different alleles at corresponding positions on homologous chromosomes Greek heteros/ the other (of two), another, different zygon/ yoke -ous/ full of : abounding in : having : possessing the qualities of
homozygous Having the same alleles at a particular gene locus on homologous chromosomes. Greek homos/ one and the same zygon/ yoke -ous/ full of : abounding in : having : possessing the qualities of
Meiosis part of the process of gamete formation, consisting of chromosome conjugation and two cell divisions, in the course of which the diploid chromosome number becomes reduced to the haploid. Greek N/A meion/ less -sis/ process,action
crossing over The exchange of genetic material between homologous chromosomes that occurs during meiosis and contributes to genetic variability Anglo-Fr.; German N/A an cros/ in a crossed position; ufar/ over, above N/A
diploid having two similar complements of chromosomes. Greek; International Science Vocabulary di-/ twice : twofold : double N/A -ploid/ having or being a chromosome number that bears (such) a relationship to or is (so many) times the basic chromosome number of a given group
haploid an organism or cell having only one complete set of chromosomes, ordinarily half the normal diploid number. Greek N/A haploeidēs/ single N/A
gamete a mature sexual reproductive cell, as a sperm or egg, that unites with another cell to form a new organism. Greek N/A gametēs/ husband N/A
homologous chromosome one of a pair of chromosomes that match up at meiosis and are identical in morphology and arrangement; a chromosome with the same gene sequence as another, each derived from one parent Greek khroma/ color homologos/ agreeing soma/ body
fertilization The union of male and female gametes to form a zygote, Latin N/A fertilis/ bearing in abundance, fruitful, productive -ation/ action or process
zygote The cell formed by the union of two gametes, Greek N/A zygon/ yoke N/A
genetics the science of heredity, dealing with resemblances and differences of related organisms resulting from the interaction of their genes and the environment. Greek N/A genesis/ origin N/A
Created by: zunigajennifer
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