What type of barrier affected the genetic variation and diversity of darwin’s finches on the galápagos islands?

I’m stuck on this question cuz i’m stupid sksksksk

The carrier molecules of the electron transport system are located in the

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.