Match the following columns:Column-IColumn-II | vedclass

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(A) The correct matches are as follows:$(P)$ $(X+O)$ type sex determination is found in grasshoppers,where males have one $X$ chromosome and females h

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$P-ii, Q-iv, R-iii, S-i$

Vedclass · Answer

(A) The correct matches are as follows:$(P)$ $(X+O)$ type sex determination is found in grasshoppers,where males have one $X$ chromosome and females have two $XX$ chromosomes. Thus,$(P-ii)$.$(Q)$ $(XX+XY)$ type sex determination is found in humans,where males are $XY$ and females are $XX$. Thus,$(Q-iv)$.$(R)$ $(ZZ+ZW)$ type sex determination is found in birds,where females are heterogametic $(ZW)$ and males are homogametic $(ZZ)$. Thus,$(R-iii)$.$(S)$ $(AA+XX)$ represents the genetic constitution of a female Drosophila (where $A$ represents autosomes). Thus,$(S-i)$.Therefore,the correct sequence is $P-ii, Q-iv, R-iii, S-i$.

Column-$I$	Column-$II$
$(P)$ $(X+O)$	$(i)$ Genetic constitution in Drosophila
$(Q)$ $(XX+XY)$	$(ii)$ Genetic constitution in grasshopper
$(R)$ $(ZZ+ZW)$	$(iii)$ Sex determination in birds
$(S)$ $(AA+XX)$	$(iv)$ Sex determination in humans

Match the following columns:
Column-$I$ Column-$II$
$(P)$ $(X+O)$ $(i)$ Genetic constitution in Drosophila
$(Q)$ $(XX+XY)$ $(ii)$ Genetic constitution in grasshopper
$(R)$ $(ZZ+ZW)$ $(iii)$ Sex determination in birds
$(S)$ $(AA+XX)$ $(iv)$ Sex determination in humans

Similar Questions

The genes,which are confined to the differential region of the $Y$ chromosome only,are called:

$(a)$ In humans,males are heterogametic and females are homogametic. Explain. Are there any examples where males are homogametic and females heterogametic?
$(b)$ Also describe as to who determines the sex of an unborn child? Mention whether temperature has a role in sex determination.

Which of the following represents the genetic constitution of a male grasshopper?

In bugs and cockroaches,the sex determination takes place by

$A$ hereditary disease which is never passed on from father to son is

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Match the following columns:Column-$I$Column-$II$$(P)$ $(X+O)$$(i)$ Genetic constitution in Drosophila$(Q)$ $(XX+XY)$$(ii)$ Genetic constitution in grasshopper$(R)$ $(ZZ+ZW)$$(iii)$ Sex determination in birds$(S)$ $(AA+XX)$$(iv)$ Sex determination in humans