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Genes

Part B

QuestionAnswer
What are Chromosomes thread like structure made up of DNA & is formed with chromatin and proteins
What are Chromatin controls the function & characteristics of a cell
What are the 3 parts of DNA Codon. Protein & Gene
What are Nitrogenous bases Adenine (A) <-> Thymine (T) , Guanine ( G) <-> Cytosine (C)
What are codons A 3 nucleotide sequence in which the order of the nitrogenous bases make up a certain amino acid
What are nucleotides Created by nitrogenous bases which creates the rung
What are amino acids / proteins Amino acids join together to form a protein which carries out a specific task set out from the DNA
What are genes A segment of a DNA strand which controls a certain trait of a person
What is Phenylketonuria Body does not have an enzyme to digest the amino acid phenylalanine found in certain proteins. - Test: check babies blood to see if they have the protein enzyme
What is Down syndrome Embryo contains an extra chromosome (24 instead of 23) - Test: test amniotic sac fluid and micrograph of each pair of chromosomes is taken
What is Huntington disease Affects nerves cells so that a person loses muscle control - Test: DNA screening of individual for the gene. Babies have a 50% chance of inheriting it if one parent has this disease
What is a transgenic organism A genetically modified organism whose genes are altered or genes from another species are inserted
What is genetic engineering The process of combining genes from one organism to another
What are mutations occurs when the codon sequence in the gene segment of the DNA strand is changed in the order it was in
What are mutagens radiation or substances that cause the genes to mutate
What is cloning the process of creating identical genetic copies of an organism
Created by: amelia.chow09
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