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Home Q & A Board Biology-Related Homework Help Genetics and Developmental Biology
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Dextor Dextor
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10 years ago
What is the biological function of the obligatory crossover that occurs between the X and Y chromosome during meiosis in the pseudoautosomal region? 


Did a search on this question and found this question as 8.1 pg 298 here: http://books.google.com/books?id=0l9eyuzCP4gC&pg=PA298&lpg=PA298&dq=What+is+the+biological+function+of+the+obligatory+crossover+that+occurs+between+the+X+and+Y+chromosome+during+meiosis+in+the+pseudoautosomal+region?&source=bl&ots=Z5KIzvLG9d&sig=pgYPK4ArFD1O6KBfVUopMGwHPCU&hl=en&sa=X&ei=FY1hU_tEpdDYBazWgNAL&ved=0CCsQ6AEwAA#v=onepage&q=What%20is%20the%20biological%20function%20of%20the%20obligatory%20crossover%20that%20occurs%20between%20the%20X%20and%20Y%20chromosome%20during%20meiosis%20in%20the%20pseudoautosomal%20region%3F&f=false

In case anyone has that book or solutions in that book.
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#1
Educator
10 years ago
The function is to hold the chromosomes together in meiotic prophase, so that they can be oriented properly on the metaphase I plate of meiosis.
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