NEET 2000 Biology question

Irregularity is found in drosophila during the organ differentiation for example- inplace of wing, long legs are formed. Which gene is responsible for :

(1)Double dominant gene
(2)Homeotic geneCorrect
(3)Complementary gene
(4)Plastid

Answer: (2)

Solution

Homeotic (Hox) genes control the identity of body segments and organs during development. A mutation in a homeotic gene causes one body part to develop in place of another - for example the Antennapedia mutation in Drosophila, in which

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Question ID VK-088693