The tragedy could have been ______ if the crew had followed safety procedures.

A．The US's National Institute of Science and Technology.
B．Origen therapeutics of Burlingame, California.
C．Embrex of North Carolina.
D．Animal welfare groups.

A．Eggs are all genetically engineered.
B．Thousands of eggs are produced every hour.
C．Cloned chickens are bulk-produced with the same growth rate, weight and taste.
D．Identical eggs can be hatched on the production lines.

A．Origen and Embrex will jointly invent machines to increase production.
B．Origen wants to purchase an efficient donor cells injecting machine.
C．Origen has joined hands with Embrex in producing cell-injecting machines.
D．Origen is the leading company in producing embryo-locating machines.