Which one is an advantage of a multicellular organism?
a. specialized cells perform specific functions.
b. smaller cells operate more efficiently.
c. different types of cells do not need to communicate.
d. the cells are simpler.

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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.