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Science Vocabulary Chapter 5

Pair of chromosomes carrying genes that determine whether a person is male of female
The use of drugs to treat diseases such as cancer
Before a cell divides, the process in which DNA copies itself
The transfer of a gene from the DNA of one organism into another organism in order to produce an organism with desired traits
An organism that is genetically identical to the organism from which it was produced
Type of RNA in the cytoplasm that carries an amino acid to the Ribosomes during protein synthesis
A person who has one recessive allele and one dominant allele
Type of RNA that carries copies of instructions for the assembly of amino acids into proteins from DNA Ribosomes in the cytoplasm
A gene that is carried on a Sex (X or Y) chromosome
Method of breeding that allows only those organisms with desired traits to produce the best generation
A mass of rapidly dividing cells that can damage surrounding tissue
A disease in which some body cells grow and divide uncontrollably damaging the parts of the body around them
A selective breeding method that involves crossing different individuals to bring together the best traits from both parents
Molecules that contain nitrogen and other elements
The process of changing a gene to treat a medical disease or disorder. An absent or faulty gene is replaced by a normal working gene
Any change in the DNA of a gene or a chromosome
A selective breeding method in which two individuals with similar sets of allele are crossed