Answer:
In a zygote alleles comes from both male chromosome and female chromosome................ So, inherited from the parents.
Elevation because it means the level of a point surface height above the sea level
The answer is D,Nucleus I think
A product of photosynthesis is glucose which is a sugar. This sugar(glucose) is food for the plants.
Chromatin is a simpler for of a chromosome. For example, in mitosis (somatic cells dividing) chromatin is in the nucleus, however when it condenses, it forms chromosomes.