Which one of the following conditions correct | vedclass

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(B) In grasshoppers,the sex determination mechanism is of the $XO$ type. In this system,males possess only one $X$ chromosome along with autosomes $(X

Vedclass · Accepted Answer

$XO$ type of sex chromosomes determine male sex in grasshopper.

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(B) In grasshoppers,the sex determination mechanism is of the $XO$ type. In this system,males possess only one $X$ chromosome along with autosomes $(XO)$,while females possess a pair of $X$ chromosomes $(XX)$. Therefore,the presence of a single $X$ chromosome determines the male sex in grasshoppers. Option $A$ is incorrect because $ZZ$ chromosomes in birds determine the male sex (homogametic). Option $C$ is incorrect because Klinefelter's syndrome is $XXY$,not $XO$,and $XO$ in humans results in Turner's syndrome (female). Option $D$ is incorrect because in Drosophila,$XX$ chromosomes produce females,while $XY$ produces males.

Which one of the following conditions correctly describes the manner of determining the sex?

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