Across
- 5. autosomal ____ is caused by a single defective gene
- 7. Factors which result from gene deficiency, abnormality, chromosome rearrangement, deletion, or excess
- 8. this is caused by a pair of defective genes, one from each parent
- 9. outside factors that influence the growing fetus; e.g. pollutants
Down
- 1. this maternal factor may cause a fetus to have neural tube defects or birth defects of the brain and spinal cord
- 2. triggered through conditions outside of the womb
- 3. the interaction of one or more genes and environmental factors
- 4. a physical agent
- 6. a type of chemical/drug agent