A person with the genetic disorder Klinefelter's syndrome has an extra x-chromosome. Affected individuals have the genotype XXY. What can you infer is most likely the genetic mutation that results in Klinefelter's syndrome?
Non-disjunction during meiosis

Complete duplication of chromosomes during polyploidy

Translocation during genetic replication

Crossing over during meiosis

Question

A person with the genetic disorder Klinefelter's syndrome has an extra x-chromosome. Affected individuals have the genotype XXY. What can you infer is most likely the genetic mutation that results in Klinefelter's syndrome?
 Non-disjunction during meiosis

 Complete duplication of chromosomes during polyploidy

 Translocation during genetic replication

 Crossing over during meiosis

anonymous · Answer

I'm pretty sure it's the first one, but not 100% sure

koikkara · Answer

option C - nondisjunction during meiosis.....