I am pretty sure the answer is meteorology.
If Janelle wants to prove her hypothesis on the uneven temperatures inside her house during winter, the next logical step would be to run an experiment.
Chromosomes are the part of the DNA that determine traits
The main portion of the cell is called the soma or cell body. It contains the nucleus, which in turn contains the genetic material in the form of chromosomes. Neurons have a large number of extensions called dendrites.
