Vg-1 and wnt are used in both frogs and chicks to establish a body axis, although in chicks this is the antero-posterior axis instead of the dorso-ventral axis. What is the region of the chick embryo that is thus analogous to the Nieuwkoop center?

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#Question id: 4725

#SCPH06 I Botany

Ptosis (droopy eyelid) may be inherited as a dominant human trait. Among 30 people who are heterozygous for the ptosis allele, 10 have ptosis and 20 have normal eyelids. What is the penetrance for ptosis?

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#Question id: 12743

#SCPH01 Biochemistry

Name the agar plate method which is most common gel based assay system used in Agglutination process.

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#Question id: 1295

#SCPH05 I Biotechnology

What signal is released by endothelial cells to recruit circulating leukocytes?

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#Question id: 4576

#I Life Science/ Life Sciences Group – I-V

Which of the following pairs of structures is least likely to represent homology?

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#Question id: 9191

#SCPH28 | Zoology

When an arborist prunes a limb off a valuable tree, he or she usually paints the cut surface. The primary purpose of the paint is to