Answer:
For dihybrid cross, Mendel selected pea plant having yellow and round seeds (YYRR) as the female parent and pea plant having green and wrinkled (yyrr) seeds as the male parent. He obtained pure line by selfing these plants for three generations.
There is no exact weight. This is not no question on a homework sheet. Be yourself hunny. Don't worry about your weight.
B is the only one that makes sense. It is the correct answer
To introduce elements that make up health-related physical fitness