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.
sunlight, as chloroplasts in the leaves soak up the sunlight and use it as a way to respite.
Inductive reasoning b/c he is basing his conclusions off of patterns
Answer:
A genetic chain is something your grandparents passed on to your parents, and your parents passed it on to you, and so forth!
Explanation:
It is poisonous on it's back and is a big species of frogs but not any bigger than a curled up dog.
