What is similar about the chromosomes that each parent passes on to their offspring in humans, juncos, and pigeons

answer; i believe that the correct answer is(d) nondisjunction during meiosis;

correct answer is option a.

tropopause, stratopause and mesopause have all in common aspect that is point of maximum temperature in its layer of the atmosphere. all layers of atmosphere observe abrupt change in temperature. tropopause is the boundary between troposphere and stratosphere. stratopause is the boundary between stratosphere and mesosphere. mesopause is the boundary between mesosphere and thermosphere. these all boundaries are ranges between altitude of 0 to 80 km.

true is the final answer!