Genotype is the __________

Which of the following is true regarding relationships and human development?

a) Recent neurological studies strongly suggest that a child's brain development is influenced by its relationships with parents. b) Mirror neurons, which are thought to facilitate empathy in the brain, have been hypothesized but not actually observed in any animal. c) New information on brain neuroplasticity suggests that positive interactions alone are not effective in reworking destructive neural patterns. d) Researchers have found that positive and negative social interactions have no effect on the release of particular chemicals within the brain.

A neuroanatomist destroyed a dog's reticular formation to determine its function. Of the following, which is the most likely result? The dog:

a) could no longer hear. b) could no longer see. c) lapsed into a complete and irreversible coma. d) became hyper-alert and no longer slept normally.