How would gene expression be affected if there was an error in transcription (writing instructions)?

Gene expression is where the mRNA is made. If there's an error in transcribing the DNA  into mRNA there could be a major effect on consequent gene expression if:

1. the original gene is involved in gene expression itself (e.g. the RNA polymerase)...if it's not made correctly you would have serious future problems.

2. if the original gene is for a protein involved in further gene expression (e.g. transcription factor/regulator) - if made incorrectly it may not be there to properly control gene expression so you could get other genes expressed when they shouldn't be, or not expressed when they should be.

this age may represent the age of the earth's accretion, of core formation, or of the material from which the earth formed. this dating is based on evidence from radiometric age-dating of meteorite material and is consistent with the radiometric ages of the oldest-known terrestrial and lunar samples.

answer >   yes we do, women; have three holes, urethral opening(pee hole, vagina, and the women pee/girls pee out of the urethra like the men do; only they have a single opening to pee/ejaculate.   (sorry if i'm too forward with this, but this is for a biology class, isn't it? )

hope that !         : )