Having two copies of the X- chromosome gene_______initiates the female sex- determining pathway by which gene regulatory mechanism?
A)DSX; alternative polyadenylation B)DSX; alternative splicing C)TRA; alternative splicing D)SXL; alternative splicing E)SXL; alternative polyadenylation
A researcher is studying plant development.She isolates a mutant and discovers that the piece of DNA that is mutated does not code for a protein.However,this piece of DNA is complimentary to a gene known to function in early embryonic plant development.The mutant she identified most likely functions as an_______. A)general transcription factor known to regulate many different genes B)ribosomal RNA rRNA) C)microRNA miRNA) D)transfer RNA tRNA) E)intron