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Unit 3 Part 2 - Ch 17: Gene Expression
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Pregunta:
Mutations? Point mutations?
Autor: AMRIT KAURRespuesta:
- Mutations are changes in the genetic information of a cell - Point mutations are changes in just one nucleotide pair of a gene (two categories: Single nucleotide-pair substitutions, Nucleotide-pair insertions or deletions) - The change of a single nucleotide in a DNA template strand can lead to the production of an abnormal protein - If a mutation has an adverse effect on the phenotype of the organism, the condition is referred to as a genetic disorder or hereditary disease - Different mutations can occur in different ways
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