Chorion

... your statement: "The paper also says that the ORI lies in the middle of the gene" since it says that "replication origin near the chorion genes"...

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... genes of Drosophila can be amplified without extra chromosomal replication. A large number of follicle cells surround the egg and produce the chorion. The genes encoding the chorionic proteins exist in two clusters (one on the X chromosome and one on an autosome). Only a single copy of each ...

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Hi there! I have a question regarding to the onion skin model in Drosophila melanogaster . I understand why D. melanogaster amplificates its chorion genes etc. I always read that the onion skin model uses an unidirectional ORI. My question: the ORI in the illustrations which i've looked at is ...

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... it really means when anyone makes a selective choice about what they consume. The HCG treatment involves the injection of a hormone called human chorionic gonadotropin. The idea of injecting this hormone came from the birth control where women are given an artificial does of human hormones to ...

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does anyone know exactly how the four membranes amnion yolk sac chorion, and allantois work to protect the embryo and egg?

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