It is false to affirm that the Northern Hemisphere experiences winter when Earth is farthest from the sun. Actually, it is the opposite, the Northen Hemisphere experiences winter season when Earth is closest to the sun. Earth's distance from the sun has no major influence over the weather. The reason behind why we experience different seasons is because the Earth's axis is not straight but its is tilted. During winter season for the Northern Hemisphere, the sun shines directly on the Southern Hemisphere and indirectly on the Northern Hemisphere.
It is the second option Gg symbolises green color(because G is dominant so it will be green) and GG symbolises yellow( as there is no dominant trait present)
The interaction of heredity and the environment works to shape who children are and who they will become. The complex interaction of nature and nurture does not just occur at certain moments or at certain periods of time it is persistent and lifelong.