Yes, Jan should undergo genetic sequencing.BRCA1/BRCA2 are the causes of 20-25% of all hereditary breast cancers, so if Jan's mother and sister both have breast cancer, then the odds are that she has BRCA1 as well.
-Genetically modified crops :weather and disease resistant meaning more crops and more food available ensuring food security for many counties
- Vaccinations : immunisation from diseases that previously proved deadly
- Fertility assistance ,prenatal scanning, home pregnancy tests
-research into Alzheimer’s
- provided cancer and heart disease treatment
- enabled growing of organs so waiting lists for transplants get shorter and more lives are saved
You should use socratic !!
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