In fungi and protists, gametes produced by of haploid cells fuse to form a zygote, which then undergoes to restore the haploid chromosome number.

c

explanation:

i think its the first one

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