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Vitamin B12 is produced by bacteria, but cannot be produced by plants and animal

ID: 167509 • Letter: V

Question

Vitamin B12 is produced by bacteria, but cannot be produced by plants and animals. Professor B wants to genetically engineer lettuce plants to produce Vitamin B12. She uses a virus to insert the bacterial gene for Vitamin B12 into lettuce cells, and the cells begin making Vitamin B12. What characteristic do prokaryotes and eukaryotes have in common that allows them to use each other’s genes?

A. They are roughly the same size.

B. They both have a nucleus.

C. They both use ring-shaped chromosomes.

D. They have the same genetic code.

E. They both have mitochondria.

Explanation / Answer

ANSWER

D. They have same genetic code

Because genetic code is universal for organisms