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Genetics Vocabulary

Published on Mar 16, 2016

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PRESENTATION OUTLINE

GENETICS VOCABULARY

CALEIGH SHOEMAKER 2ND PERIOD

Trait- a characteristic or property of an organism

Dominant trait- a genetic trait passed from parent to child that is more likely to be expressed

Chromosome- a tightly wound bundle of DNA and proteins found in the nucleus of most living cells

Heredity- the passing of traits from parent to offspring

Gene-the basic unit of heredity in a living organism; a segment of DNA or RNA

Recessive trait-

Allele-one member of a pair or series of genes on specific chromosomes in specific positions

Phenotype-a characteristic or property of an organism

Genotype-internal genetic coding passed on from one generation to the next

Homogeneous-a substance in which all of the parts are the same throughout

Heterogeneous- a substance in which the parts are clearly different shapes and colors; different throughout

Punnett square- a chart used to determine the possible genetic outcomes for offspring of a given cross

DNA- found in the nucleus of a cell, a long nucleic acid molecule containing the genetic instructions for the development and functioning of all living organisms; abbreviation for deoxyribonucleic acid

Prokaryotes-found in the nucleus of a cell, a long nucleic acid molecule containing the genetic instructions for the development and functioning of all living organisms; abbreviation for deoxyribonucleic acid

Eukaryotes-having complex cells in which the genetic material is contained inside a nucleus