Gestation period of rat is

20 - 22 days

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28 - 32 days

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52 - 65 days

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60 - 65 days

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Solution

The correct option is A 20 - 22 days
The gestation period is the time in which the fetus develops, which starts with the fertilization and ends with the birth. The gestation period of brown rat is 21 days.
Thus, the correct answer is option (A), '20-22 days'.

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