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See also Chromosomes and DNA Methylation and deMethylation and role of Epigenetic Modifications in Driving Th1/Th2 Development and Fetal Assays based on Chomatin epitopes and Histone aceylation (right hand panel).  A large number of covalent modifications of…

RNA Capping: In eukaryotes, transcription is only the first step leading up to a mature mRNA which can be transported out of the nucleus to the cytoplasm of the cell…

See also transcription Comparative genome analyses indicate that increases in gene number do not account for increases in morphological and behavioral complexity. For example, the nematode worm has about 20,000…

See also RNA capping and splicing Transcription in eukaryotic cells occurs in the nucleus followed by translation in the cytoplasm. Transcription is the transfer of information from a double stranded…

DNA replication is semi conservative in that each DNA molecule produced consists of 1 old and 1 new partner. The reason for this semi conservative nature is that the original DNA strands…

SNPS are particular nucleotide sequences that are repeated within a region of a DNA strand (called an STR locus). STR loci occur frequently in the human genome, and the number…

Applied Genetics Group at NIST (characterization of genetic polymorphisms) Polymorphisms are variations in a person's DNA sequence. These may occur in an exon and result in a difference in the protein…