Which one of these is NOT an example of intercellular communication? A. Electrical signals pass between heart cells

B. Chemical messengers doc on two receptors of adrenal gland

C. A vessel and encloses over a nutrient molecule

D. Chemical signals from pituitary gland to adrenal gland

Refer to the family pedigree shown here. in generation i, one parent is affected by the gene mutation and one parent isn't. in generation ii, all three children are affected by the gene mutation. what can you conclude about this gene mutation? a. all children born in future generations will be affected by this disorder. b. this gene mutation is a dominant disorder. c. this gene mutation is a recessive disorder. d. the generation i mother is a carrier of this gene mutation.