Following table shows the number of individuals of different species in two communities, X and Y. Use Jaccard index determine the degree of similarity between X and Y community?

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#Question id: 7072

#Unit 5. Developmental Biology

Formation of  Henson’s node takes place by:

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#Question id: 7073

#Unit 5. Developmental Biology

The cell migrations that form the primitive streak thus appear to be regulated by:

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#Question id: 7074

#Unit 5. Developmental Biology

The left-right axis decided by the paracrine factor ____a___ and the transcription factor___b_____ expressed in ____c_____ side.

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#Question id: 7075

#Unit 5. Developmental Biology

During limb formation, wnt signaling determines which of the following axis?

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#Question id: 7076

#Unit 5. Developmental Biology

In case of sea urchin, the skeletogenic mesenchyme cells are:

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#Question id: 7077

#Unit 5. Developmental Biology

In the zygote, the cortical cytoplasm rotates about 30º with respect to the internal cytoplasm, this exposes a region of inner cytoplasm directly opposite the sperm entry point. This region is called as: