Answer: Earth's seasons are caused by it's tilt on it's axis :)
Explanation:
<span>Fat is by far the most calorie loaded of the macronutrients, containing 9 calories per gram compared to only 4 calories per gram for proteins and carbohydrates. Although a low fat diet is generally desirable for persons who would like to restrict their caloric intake, a no fat diet is no recommended by nutritionists or doctors since there is a dietary need for some fat in the diet.</span>
Cells are made of the same DNA but they can have different functions. It depends on where they are in your body; each of them have a separate job. There are different types of cells. Apparently, for a cell to work...1000 proteins must be made.
Solution:
Two plants are crossed. One has the genotype Tt and the other has the genotype Tt. This means that both individuals are heterozygous.
According to this information, we obtain the following Punnett Square: