A) one is functional
B) two are functional
C) three are functional
D) all are functional
Correct Answer: A
Solution :
The united protoplasmic mass of two gametes is called (zygotc) zygospore. Prior to germination the diploid zygospore nucleus undergoes meiosis and forms 4 nuclei, three of these abort and only one is functional. It undergoes transverse division to give, rise single filament.
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