Ok i just took this exam the above answer was wrong the real answer should be: More investigations must be completed.
Well the male bird is a dominant (long beak) and the female is a recessive(small beak.) we can assume that the female birds genotype is ii and the male birds genotype is LL or Li. When it comes to the offspring we can assume that the offspring would have a long beak. The offspring would either have the dominant (father) genes.
cell membrane: both
cytoplasm: both
chloroplast: plant
im not sure about the others sorry
Answer:
that is a gap junctions
i d k what else to say but that