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Engrailed expression in Drosophila melenogaster defines (1) anterior margin of the segment. (2) anterior compartment of each segment. (3) posterior margin of each para-segment. (4) posterior compartment of each segment […]

16. Segmentation genes in Drossophila are divided into three groups (gap, pair rule and segment polarity) based on their mutant phenotype. Below are some of the major genes expressed in […]

The homologue of β-catenin in Drosophila is (l) Fushi tarazu (2) Engrailed. (3) Armadillo (4) Cubitus interruptus. In Drosophila melanogaster, the protein Armadillo serves as the homolog of the mammalian […]

Antennapedia protein expresses in the thoracic segment of the fly and not in the head region. However, a dominant mutation of Antennapedia replaces antenna with leg-like structure. The following statements […]

In which one of the following developmental events, the fate of maternal somatic cell is determined first, which then the fate of the developing embryo? (1) 1.The specification of primary […]

If an early cleavage stage wild type Drosophila embryo is injected with bicoid mRNA at the posterior pole then (1) head structures develop at posterior pole, while the same is […]