In case of morphallactic regeneration: (1) there is re-patterning of the existing tissues with little new growth (2) there is re-patteming of the existing tissues after the stem cell division […]
If hydra is fragmented into various parts, separate group of cells re-pattern themselves into various small hydra. Such an mode of development is termed as (1) Regeneration (2) Morphallaxis (3) […]
Morphylaxis can be defined as (1) Production of lost organ by division in remaining cell (2) Re-initiation of cell division in existing cells, followed by re-patterning of those cells (3) […]
In hydra if any part is lost remaining portion re-pattern itself and give rise to complete organism. Such a pattern of regeneration is termed as (1) Epimorphosis (2) Morphallaxis (3) […]
Which one of the following statements regarding regeneration in Hydra is correct? (1) It follows only stem cell-mediated regeneration. (2) It follows only stem cell-mediated regeneration and morphallaxis. (3) It […]
Axolotal Larvae is due to- (1) Absence of thyroid gland in organism (2) Lack of iodine in habitat (3) Lack of pituitary hormone (4) Unfavorable environment The Cause of Axolotl […]
Human polysyndactyly (joining of extra digits) syndrome results from a homozygous mutation at (1) antennapedia complex locus (2) one of the genes of Hox D (3) one of the genes […]
The hedgehog pathway is extremely important in vertebrate limb development, neural differentiation and facial morphogenesis. In accordance with the above statement, what would happen in mice that are homozygous for […]
Species to expression of some of the pattern-forming genes in vertebrate limb bud: A. Lmx1b gene is expressed in dorsal mesenchyme B. Shh is expressed in the posterior region. C. […]