The term “patent thicket” refers to

Clearing lungs congested from cystic fibrosis with a nasal spray containing functional CFTR gene is an example of germline gene therapy.

The requirements for patenting of an invention involving DNA in the U.S. are that it

______________________ can divide to yield cancer cells and abnormally differentaited cells.

Cancer is usually a genetic disease at the cellular level, but not at the whole body level.

Cancer is best described as __________.  

Enzyme replacement therapy treats

PGD removes a cell from an embryo at the _________-cell stage to be tested for gene and chromosomal abnormalities.

The polymerase chain reaction is used to

Genetic engineering manipulates gene products at the level of the proteins.