Question : The evidence that crossing over occurs at four strandedstag – InterviewSolution

1.	Question : The evidence that crossing over occurs at four strandedstage of the chromosomes, comes from
Answer» Studies of meiosis in MAIZE Studies on linkage MAPS of CHROMOSOMES in Drosophilla 4:4 arrangement of ASCOSPORES in Neurospora 2:2:2:2 ARRANGEMENTOF ascosporesin Neurospora Solution :It was made possibleby tetrad analysis.

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