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Which of the following does not show an environmental mechanism of sex determination?(a) Grasshopper(b) Bonnelia(c) Crepidula(d) OphryotrochaThis question was posed to me in an international level competition.The query is from Inheritance Principles topic in portion Principles of Inheritance and Variation of Biology – Class 12

Answer»

Right option is (a) Grasshopper

To explain: Grasshopper does not SHOW and environmental MECHANISM of sex DETERMINATION. It shows the CHROMOSOMAL basis of sex determination. The environmental mechanism of sex determination is SHOWN by Bonnelia, Crepidula, and Ophryotrocha.



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