How can knowledge of genetics be used to improve the agricultural production of food?

Genetics can improve the agricultural production of food by enhancing the   quality of seeds used. The recombinant DNA technology helps to obtain the hybrid seeds, which contains the desired characters that we want. The bacterial resistant gene can be obtained which helps to protect the plant from bacterial infection. The use of high- variety seeds to increase the nutritive value of seeds. Genetics can help to improve the number of plants, improve the quality of seeds, increasing the nutritive value of plants, etc.

for 8 am not sure maybe yes?

for 9 if it is asking if the male is more or less it would be less

hope i even just a little : )

a lot of people sadly don't know the best way to learn is cheating off of your friends or this amazing thing called google