Potentiating the effect on phenotypic variation, when normal zebrafish of the same age, zebrafish embryos exposed to ____X____ the larvae develops with severe developmental anomalies, including reduction in the size of head, gill, and thoracic cartilages associated with cranial neural crest migration. What is X?

#Question id: 28352

#Unit 5. Developmental Biology

Which of the following protein acts as eIF4E-binding protein that specifically inhibit Oskar mRNA translation?

#Question id: 28353

#Unit 5. Developmental Biology

Before fertilization, graph representing A, B, C and D mRNA which is deposited in the oocyte by the ovarian nurse cells. Select the correct combination of these mRNAs.

#Question id: 28354

#Unit 5. Developmental Biology

The following statements were made regarding the patterning of anterior-posterior body plan of Drosophila:

A. Mutant bicoid mRNA that leads to the deletion of head and thorax

B. bicoid mutant phenotype expressed  two telson phenotype

C. the Bicoid protein activates the zygotic expression of the hunchback gene

D. the bicoid mRNA is represses the hunchback mRNA

Which one of the following options represents all correct statements as made above?

#Question id: 28355

#Unit 5. Developmental Biology

what is the function of the gene exuperantia and swallow and if it is mutated that leads to____

#Question id: 28356

#Unit 5. Developmental Biology

#Question id: 28357

#Unit 5. Developmental Biology

 what is the function of the gene tudor (tud) & oskar (osk) and if it is mutated that leads to____