Given a sentence with a missing word, pick the answer option that best fills out the missing word in the sentence. Indicate each answer with its index ('a', 'b', 'c', 'd').

[Q]: All loci have ____ or two alleles.\Question: Choose the right answer from options given a) no b) six c) four d) one
[A]: d


[Q]: Female bilbies have a backward-opening pouch with ____ nipples.\Question: Choose the right answer from options given a) no b) two c) five d) eight
[A]: d


[Q]: Developmental biologists are ____ less attracted by the nervous system than cell biologists.\Question: Choose the right answer from options given a) one b) ten c) no d) four
[A]:
c