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Biology Voc.Words 5.5
Language of Science
10
Biology
9th Grade
03/29/2011

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Term
Allele
Definition
One of two or more different genes that occupy the same place on a chromosome...Allowing genetic variation.
Term
DNA
Definition
Deoxyriobonucleic acid; the molecule that stores and passes on genetic information...located in the nucleus of a cell
Term
Genotype
Definition
The genetic makeup of an organism (example: TT, Tt, tt)
Term
Heterozygous
Definition
Possessing two different alleles of a given gene (example: Tt)
Term
Homozygous
Definition
Possessing two identical alleles for a given gene (example: TT or tt)
Term
Phenotype
Definition
The physical characteristics associated with a specific genotype (example: TT=tall)
Term
Transcription
Definition
The synthesis of messenger RNA from a DNA template
Term
Translation
Definition
The synthesis of a protein from a messenger RNA template.
Term
Replication
Definition
Process by which DNA makes a copy of itself before cell division
Term
RNA
Definition
Ribonucleic acid; similar to DNA except it has the nitrogen base Uracil instead of Thymine
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