The major factor which is important in providing the competence for the ectoderm to respond to the inducers from the optic cup-

TLS Online TPP Program

#Question id: 29112

#Unit 8. Inheritance Biology

An example of multiple alleles is at a locus that determines the feather pattern of mallard ducks. One allele, M, produces the wild-type mallard pattern, MR, produces restricted, and a third allele, md, produces dusky. In this allelic series, dominancy shows MR >M > md

If a cross between  MR md X M md, What proportion of progeny will be restricted?

TLS Online TPP Program

#Question id: 1225

#Unit 4. Cell Communication and Cell Signaling

The dissociation constant Kd for a receptor-ligand complex is

a. a measure of the affinity of the receptor for the ligand.

b. the concentration of the ligand at which half of the receptors contain bound ligand.

c. a measure of the time it takes for a ligand to be converted to a product.

d. equal to koff/kon 

TLS Online TPP Program

#Question id: 10769

#Unit 8. Inheritance Biology

In merabilis jalapa plant red plant RR Cross with white plant rr. In F1 generation the phenotype obtained was Rr Pink. Which type of cross it is

TLS Online TPP Program

#Question id: 5644

#Unit 5. Developmental Biology

If embryos are disaggregated with chemicals or proteases, and the individual cells are mixed together in culture, what will happen?

TLS Online TPP Program

#Question id: 6579

#General Aptitude

Find the term which does not fit into the series : G4T, J10R, M20P, P43N, S90L