John Hay
John Hay Biomedical
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My ClassGlossary
Genetics of Disease (Medical Interventions)
Unit 2: Unit 2.2 Our Genetic Future (Gene Therapy)MI 2.2Molecular and Genetic Technology

Distinguish Somatic vs Germline Editing

Use gene-therapy evidence to distinguish somatic vs germline editing with ethical limits.

Builds on (2 levels back)inferred · high confidence
  • DNA/RNA base pairing: Sequence and codon tasks depend on reading bases in order.
  • Read a genetics model: Pedigrees, karyotypes, and charts are models that need a key.

Prerequisites are inferred: pending teacher review.

Re-learn the skill with worked practice and clear examples.

Use gene-therapy evidence to distinguish somatic vs germline editing with ethical limits.

Step 1: Learn the key
A gene-therapy argument should name the delivery , affected cell type, possible benefit, and risk.
Gene Therapy Choices instructional diagram
Step 2: Use the model
Read the figure, table, control, range, or protocol before choosing an answer.
Step 3: Name the limit
Say what the evidence can support and what it cannot prove yet.
Practice

Use the gene therapy figure. Which risk means an unintended DNA site was changed?

Reviewed
Gene Therapy Choices instructional diagram
  1. A.Off-target edit
  2. B.Benefit
  3. C.Vector delivery
  4. D.Somatic cell
Show the worked solution ▾

Answer: A. Off-target edit

  1. Step 1: Read term: Off-target means not the intended target.
  2. Step 2: Apply to DNA: An unintended DNA change is off-target.

Why it's right: An off-target edit changes an unintended DNA site.

Why the others miss:
  • B: Benefit is a good effect, not a risk.
  • C: Vector is delivery tool.
  • D: Somatic is cell type.

Aligned to Molecular and Genetic Technology · reading level ~grade 9

Where you'd see this
  • In Unit 2.2 Our Genetic Future (Gene Therapy), this skill turns class evidence into a result another person can check.
Careers that use this
Genetic Counselor: Uses distinguish somatic vs germline editing to make a decision from evidence without overclaiming.
Video library
Watch: Distinguish Somatic vs Germline Editing
How CRISPR lets you edit DNA - Andrea M. Henle
TED-Ed · ~5 min
Guided notes

Fill these in as you work through the lesson.

Big idea: Use gene-therapy evidence to distinguish somatic vs germline editing with ethical limits.
Key terms: write the meaning
  • Vector (delivery tool for genetic material):  
  • Somatic editing (changes body cells only):  
  • Germline editing (changes egg/sperm/embryo cells and can be inherited):  
  • Off-target edit (unintended DNA change):  
The rule

A gene-therapy argument should name the delivery  , affected cell type, possible benefit, and   risk.

Check yourself
  1. Which cells are changed? 
  2. Can the edit be inherited? 
  3. What benefit and risk are shown? 
Work one example

Compare somatic and germline editing for a case and write a short ethics CER.