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!
Answer:A well-leveled field is seen as laying the foundation for a good water management. If a field is not properly leveled, water may stagnate in the lower parts whereas higher parts may get dry due to water receding.
Explanation:
Answer:Biological Surplus is the amount of animals in a given population that are "above" the carrying capacity.
Explanation:
Reproduction. I hope this helps!
Answer:
consists of solid rock
Explanation:
bedrock contains only solid rock unless you are talking about a different type of bedrock this bed is called saprolite. saprolite contains severly weathered rock and lies above the solid layer of bedrock
