The Human Genome Project is a multinational project that reported complete identification of more than 20,000 genes in human DNA. Growing understanding has associated "normal" and naturally variable versions of the genes, producing specific proteins for human health and cell functions. Numerous mutated versions of the genes have been associated with particular human health problems and disease, due to the types of cells where mutations occur, the specific genes affected, and the type and extent of mutation. In these cases, the structure and function of proteins is ultimately impacted. Examine these examples to apply your knowledge of mutations to the descriptions provided.
-Keratins are structural proteins in skin,hair,and fingernails.One gene,called KRT10,is located on the 17th paired chromosome in humans.It produces a keratin that strengthens skin cells.Researchers isolated the specific location on the DNA having the nucleotide sequence,accessed during transcription,that encodes for the mRNA strand that will direct translation of the proteins.That specific portion of the DNA is the
A) template strand.
B) lagging strand.
C) codon strand.
D) parent strand.
E) leading strand.
Correct Answer:
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