複選題9. The following genomic features have been used as genetic markers to map disease causing (A) single nucleotide polymorphisms (B) restriction fragment length polymorphisms (C) microsatellites (D) copy number variations

1. Skin cells and neuron cells in an individual show very distinct morphology and function, but they carry identical genome. How can this occurs? (A) Different mutations occur in different cell types； (B) Different parts of genome are lost in different cell types； (C) Different sets of genes are expressed in different cell types； (D) Different chromosomes are inactivated in different cell types.

複選題
9. The following genomic features have been used as genetic markers to map disease causing
(A) single nucleotide polymorphisms
(B) restriction fragment length polymorphisms
(C) microsatellites
(D) copy number variations

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