If a chicken's chromosomes are ZW, then it will be a female. True or False?

Prepare for the Fundamental Animal Microgenetics Exam with multiple choice quizzes, detailed explanations, and comprehensive study material. Ready yourself to succeed!

In birds, the sex determination system is different from that of mammals. Chickens, as well as other birds, use a ZW sex-determination system, where males have two identical sex chromosomes (ZZ) and females have two different ones (ZW). Hence, if a chicken has a ZW chromosome configuration, it is indeed female. This characteristic is consistent across various breeds of chickens and not contingent on specific types or other factors, making the statement true. Understanding these genetic mechanisms is crucial for studies in animal genetics and breeding practices.

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