Final answer:
The number of different combinations of sequences that can be produced for a lambda light chain is a very large number.
Step-by-step explanation:
The number of different combinations of sequences that can be produced for a lambda light chain depends on the number of possible amino acids and the length of the chain. In general, there are 20 different amino acids that can be used to build a protein chain. If we assume that each position in the light chain can be occupied by any of the 20 amino acids, then the total number of possible combinations of sequences would be 20 raised to the power of the length of the chain. Without knowing the specific length of the lambda light chain, we cannot determine the exact number of combinations. However, it is safe to say that the number of combinations would be a very large number, much larger than the options provided (a) 200, (b) 400, (c) 600, (d) 800.