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(B) In $Drosophila$,homeotic genes contain a conserved $DNA$ sequence known as the $Homeobox$. These genes encode proteins that act as transcription f

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Homeobox

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(B) In $Drosophila$,homeotic genes contain a conserved $DNA$ sequence known as the $Homeobox$. These genes encode proteins that act as transcription factors,which regulate the expression of other genes to determine the body plan and organ development during embryogenesis. $TATA$ box and $Pribnow$ box are promoter sequences involved in the initiation of transcription,not in the specification of body segments or organ differentiation.

Column-$I$	Column-$II$
$(i)$ Operator site	$(a)$ Codes for enzyme (protein)
$(ii)$ Promoter site	$(b)$ Codes for repressor
$(iii)$ Structural gene	$(c)$ Binding site for $RNA$ polymerase
$(iv)$ Regulator gene	$(d)$ Binding site for repressor

In $Drosophila$,the set of homeotic genes that control the body plan during organ differentiation is known as.......

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Match Column-$I$ with Column-$II$:

Column-$I$ Column-$II$

$(i)$ Operator site $(a)$ Codes for enzyme (protein)

$(ii)$ Promoter site $(b)$ Codes for repressor

$(iii)$ Structural gene $(c)$ Binding site for $RNA$ polymerase

$(iv)$ Regulator gene $(d)$ Binding site for repressor

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