Question: What is the difference between a maternal-effect gene and a zygotic gene? Of the following genes that play a role in Drosophila development, which are

What is the difference between a maternal-effect gene and a zygotic gene? Of the following genes that play a role in Drosophila development, which are maternal-effect genes and which are zygotic? Explain your answer.
A. nanos
B. Antp
C. bicoid
D. lab

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