Answer:
Crossover, or crossing over, is the exchange of genetic material between two homologous chromosomes non-sister chromatids that results in recombinant chromosomes during sexual reproduction.
Explanation:
Answer: negatively; electron.
In a chemical bond, proton and neutron didn't take action since they are located in the middle(nucleus) of the atom. The electron which on the outer side of an atom can interact with another electron from an other atom/molecule. Electron has negative charge, while proton is positive and neutron is neutral.
Answer:
Increased by two to ten percent.
Explanation:
The exercise improves the flexibility and strength of the individual. Exercise involves the different postures and activities depending on the type of exercise and need of individual.
The difficulty level of the exercise starts from simple and then move to the moderate and hard level. The different amount of the loads are given to the individual during the exercise. If an individual can easily handle the load, this load can be gradually increased from 2 % to the 10% depending on the individual's ability.
Thus, the correct answer is option (2).