Hey there!!
For box X, the allele would have to be bc to match the data you have here.
I really hope this helps!!
Transport substances throughout the organism
Answer:
Together, the total area of a cell's internal membranes far exceeds that of its plasma membrane. Like the plasma membrane, organelle membranes function to keep the inside "in" and the outside "out." This partitioning permits different kinds of biochemical reactions to take place in different organelles.
hope this helped you
please mark as the brainliest (✿^‿^)