Question
Describe with appropriate examples the role of environment in the determination of sex.
Answer :
Word Count : 562
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Sex determination is not always governed strictly by genetic mechanisms; in many organisms, environmental factors play a decisive role in determining the sex of an individual. This phenomenon, known as environmental sex determination, demonstrates that sex can be influenced by external conditions experienced during critical periods of development. Such mechanisms are widespread in plants, invertebrates, and vertebrates, especially reptiles and some fishes, and highlight the interaction between genotype, physiology, and environment. One of the most well-studied forms of environmental sex determination is temperature-dependent sex determination observed in reptiles. In many turtles, crocodiles, and lizards, the incubation temperature of eggs during a sensitive embryonic period determines whether the offspring develop as males or
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