Seed cracker birds have either large beaks or small beaks. they do not have medium-sized beaks because medium-sized beaks do not allow for adequate cracking of seeds.
a. disruptive selection
b. directional selection
c. stabilizing selection
*WILL MARK AS BRAINLIEST*

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.