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In which of the following animals, there is a difference between the male and female numbers of chromosomes?(a) Humans(b) Drosophila(c) Grasshopper(d) PigeonI have been asked this question in my homework.This interesting question is from Inheritance and Variation Principles in chapter Principles of Inheritance and Variation of Biology – Class 12

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Right choice is (c) Grasshopper

To explain: In a grasshopper, MALE and female individuals have a different number of chromosomes because grasshoppers exhibit XO type of male heterogamety where 2 kinds of SPERMS are formed- ONE with X-chromosome and the other with no SEX chromosome.



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