The Gene Brachyury Promotes Development of the Notochord and the Vertebrae

Multiple Choice

The gene Brachyury promotes development of the notochord and the vertebrae in vertebrate animals.Among the rodents, most species have a long tail, but capybaras have a very short tail.What is the most likely difference you might expect to see for the Brachyury gene in capybaras compared to long-tailed rodents?

A) A smaller range of gene expression
B) Deletion of the gene
C) Higher levels of expression
D) An expanded range of gene expression