Milk production in modern dairy cows has been dramatically increased because of
A) the insertion of Ti plasmids in the cow genome.
B) recombinant bovine growth hormone.
C) frameshift mutations in the DNA of the cows.
D) the use of gene guns to insert rBGH genes into the mammary tissues of cows.

Question

Quizplus · Accepted Answer

Recombinant bovine growth hormone (rBGH) is used to increase milk production in modern dairy cows. It is a synthetic version of a natural hormone that controls milk production. By injecting cows with rBGH, farmers can increase their milk yield by up to 20%. The other options (A, C, and D) are not accurate or feasible methods for increasing milk production in cows.

Milk Production in Modern Dairy Cows Has Been Dramatically Increased