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a
Fruit flies and honeybees
b
Humans and fowls
c
Grasshoppers and fruit flies
d
Fowls and cockroaches
answer is C.
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Detailed Solution
Male humans (XY), fruit flies (XY) and grasshoppers (X0) are heterogametic. Male birds (ZZ) are homogametic while females (ZW) are heterogametic. Male honeybees (drones) are haploid and produce sperms by mitosis. Hence, all the sperms have the same karyotype.