Answer:
A) egg cytoplasm
Explanation:
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Maternal effect is the process in which the phenotype of an organism is determined in the light of both the environment effect and the genotype of its mother. It occurs when an organism exhibits the expected phenotype from its mother's genotype, irrespective of its own genotype, usually due to the fact of the mother supplying messenger RNA or proteins to the egg cytoplasm where it is carried out.
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