Based on the clue 'a pair of chromosomes with this 2 letter designati...', what is the answer?

Based on the clue 'a painting of isaac newton by godfrey kneller is o...', what is the answer? What is associated with: a pair of 1975 stamps celebrated the docking of apollo with this russian spacecraft? Based on the clue 'a pair of blue eyes is one of this authors wessex ...', what is the answer? Based on the clue 'a pair of boy scouts might use this small canine v...', what is the answer? Based on the clue 'a pair of cocky cartoon magpies one had a new york...', what is the answer? Based on the clue 'a pair of comic adventurers become the godlike lea...', what is the answer? What is associated with: a pair of globes used by this flemish cartographer went for 17 million in 1991? What is associated with: a pair of magic ruby slippers is at the center of this classic 1939 film?