Can virus show response against heat, chemical and temperature?If yes then how?

Yes, anything can respond to heat and against heat and temp and maybe chemicals including a virus.

Explanation:

The virus can mutate and develop new genes to bounce back the chemical or the heat and temps, it could respond differently than an un-mutated virus because it has adapted to those environments

Hope this helps at least a little<3

identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.

answer; i believe its echoic memory,it is believed to last three to four seconds; good luck