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Biology-Related Homework Help General Biology Topic started by: Richard Strophe on Oct 29, 2014



Title: Why are there more mRNA molecules than genes?
Post by: Richard Strophe on Oct 29, 2014
Recent estimates of the number of genes in the human genome range from 20,000-25,000 genes, and one analyses suggests that humans may have fewer than 20,000 genes. However, the number of different kinds of mRNA molecules is reported to be much greater. How do you reconcile these two different observations?


Title: Re: Why are there more mRNA molecules than genes?
Post by: bio_man on Oct 29, 2014
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Title: Re: Why are there more mRNA molecules than genes?
Post by: Richard Strophe on Oct 30, 2014
For many genes, the RNA can be spliced in more than one way. This allows the production of different, related mRNAs and proteins from one gene.