Please answer one and two will mark brainliest

Because if the food doesn't get texted there is a chance the food might have some things that can spread

for question 1. they test it to check if the food is safe/healthy to eat.

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.

the titanic would be the correct answer