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(B) The table represents different mechanisms of sex determination:$1$. The $x$ row shows the $XY-XX$ type of sex determination,where males are hetero

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$x$ - drosophila,$y$ - hen

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(B) The table represents different mechanisms of sex determination:$1$. The $x$ row shows the $XY-XX$ type of sex determination,where males are heterogametic $(XY)$ and females are homogametic $(XX)$. This is observed in humans and Drosophila.$2$. The $y$ row shows the $ZZ-ZW$ type of sex determination,where males are homogametic $(ZZ)$ and females are heterogametic $(ZW)$. This is observed in birds (e.g.,hen).Therefore,$x$ corresponds to humans or Drosophila,and $y$ corresponds to birds like hens. Comparing this with the options,option $B$ is the most appropriate match.

	Male $(♂)$	Female $(♀)$
$x$	$XY$	$XX$
$y$	$ZZ$	$ZW$

Column-$I$ (Traits)	Column-$II$ (Type of inheritance)
$i$. Roan cattle	$a$. Multiple allelism
$ii$. Pink flowered $Mirabilis \, jalapa$ plant	$b$. Co-dominance
$iii$. Sickle cell anaemia	$c$. Incomplete dominance
$iv$. Wings in $Drosophila$	$d$. Pleiotropism

Match the following pairs based on the sex determination mechanism shown in the table:
Male $(♂)$ Female $(♀)$
$x$ $XY$ $XX$
$y$ $ZZ$ $ZW$

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Match the following pairs based on the sex determination mechanism shown in the table:Male $(♂)$Female $(♀)$$x$$XY$$XX$$y$$ZZ$$ZW$