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Choose the wrong option.(a) Paracentric inversion cross over products is non-viable(b) Pacentric non-cross over gametes segregates normally(c) Double cross over in paracentric inversion is lethal(d) There is genetic imbalance in gametes produced by paracentric inversion cross overI got this question in an online interview.Question is from Chromosomal Abnormality : Inversion in section Chromosomal Basis of Inheritance of Cytogenetics

Answer»

Right OPTION is (C) DOUBLE cross over in paracentric inversion is lethal

For EXPLANATION: In paracentric inversion there is chromosomal imbalance in products of SINGLE cross over, but double cross over products lead to normal gene balance and viable gametes.



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