The bacterial flagellum is primarily composed of:

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#Question id: 6948

#XL - T Zoology

Which of the following genes is expressed at the posterior margin of each parasegment

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#Question id: 6949

#XL - T Zoology

During gastrulation in Xenopus, the future mesoderm and endoderm move inside the embryo through the "blastopore"; in contrast, in chickens, gastrulation involves cells moving inward through the:

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#Question id: 6950

#XL - T Zoology

In mammalian development, the embryo will form from which population of cells?

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#Question id: 6951

#XL - T Zoology

In chick development, the cell movement during gastrulation is called:

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#Question id: 6952

#XL - T Zoology

Which technique is commonly used for gene knock-out in mice?

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#Question id: 6953

#XL - T Zoology

Maternal factors are: