A) 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.
B)
Pros: If she does have an abnormal BRCA1 gene, she can take steps to lower her risk of breast cancer.
Cons: The tests can incite discrimination towards her in the workplace, and having it known she has a risk for breast cancer can severely increase the cost of insurance.
C) Genetic sequencing could affect the frequency of genetic diseases because the test could point out --- I can't finish because I have to go. I'm so sorry, reask the url of this question and ask someone to finish. Have a nice day!
Leafs do photosythesis because leafs absorb blue and red light and reflect green just an aditional fact for ya
The <span>site that could hold the most stores would be the site with the largest area, which the one that would be the least expensive to develop is the one farthest away from the main road. </span>
Answer:
a control
Explanation:
you need something to compare it to to see if anything happens
