Which of the following is the most primitive type of mitosis?
A
Amitosis
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B
Cryptomitosis
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C
Endomitosis
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D
Zygotic mitosis
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Solution
The correct option is B Cryptomitosis The most primitive type of mitosis is cryptomitosis or promitosis. Cryptomitosis is a type of nuclear division in certain protozoa characterized by the formation of a modified achromatic spindle and by the absence of differentiated chromosomes.