Given a sentence, fill out the missing word with a 'no' or a number (between zero and ten). You should write the numbers with english alphabet, like: four instead of 4.

Q: Spiders have only ____ body divisions and eight legs.

A: two
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Q: Inversions have the classic double loop at meiosis, and have ____ crossovers when heterozygotes.

A: no
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Q: Hoof balance is ____ dimensional geometry.

A:
four
****