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Home Q & A Board Biology-Related Homework Help Genetics and Developmental Biology
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BonnienZip BonnienZip
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6 years ago
Inversion heterokaryotypes are often characterized as having reduced crossing over and reduced fertility.
 
  Assume that you were examining a strain of organisms you knew to be inversion heterokaryotypes and saw a relatively high number of double chromatid bridges extending between anaphase I nuclei. What would be a likely explanation for this observation? Explain with a labeled diagram.
Textbook 
Essentials of Genetics

Essentials of Genetics


Edition: 9th
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6 years ago
A four-strand double crossover in the inversion loop of a paracentric inversion (in the heterozygous state) would generate the double bridge and two acentric fragments (which would be lost).
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