KCET 2015 Biology Solved Paper

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Question : 57 of 60

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Which of the following conditions correctly describes the manner of determining the sex in the given example?

XO type of sex determines male sex in grasshopper.
XO condition in humans as found in Klinefelter’s syndrome determines female sex.
Homozygous sex chromosome XX produce male in Drosophila.
Homozygous sex chromosome ZZ determine female sex in birds.

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