The chromosome constitution $2 n - 2$ of an organism represents

Monosomic

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Nullisomic

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Haploid

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Trisomic

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Solution

The correct option is B Nullisomic
Nullisomic is a condition in which diploid cell missed both the copies of the same chromosome and thus called as 2n - 2 It is caused by the nondisjunction during the meiosis. Due to lack of genetic information fertilization may hinders.

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