The correct answers are:
B) Cell samples I
&
C) Methods to observe the effects of climate on gene mutations
That seems to be correct . keep up the great work on dihybrids and F2 cross
Answer:
Any of a group of submicroscopic entities consisting of a single nucleic acid chain surrounded by a protein coat and capable of replication only within the cells of living organisms: many are pathogenic
Answer:
b. One in which one member benefits, and the other is harmed
Hope this helps!!