In some sheep, the presence of beard is produced by an autosomal allele that is dominant in males and recessive in females. A beard female is crossed with a homozygous beardless male. One of the resulting F1 females is crossed with a beardless male. What proportion of the male and female progeny from this cross will have beard in F2 generation?

TLS Online TPP Program

#Question id: 24495

#Unit 3. Fundamental Processes

Which of the following step of splicing involves ATP

TLS Online TPP Program

#Question id: 137

#Unit 1. Molecules and their Interaction Relevant to Biology

Disulfide bridges can form in proteins ________.

TLS Online TPP Program

#Question id: 28177

#Unit 5. Developmental Biology

 Which of the following development is represented by autonomous specification?

TLS Online TPP Program

#Question id: 15450

#Unit 4. Cell Communication and Cell Signaling

T-cell dependent response requires a signal is provided by an activated T cell, which binds to the B cell through,

a) lipopolysaccharide moiety

b) its antigen receptor 

c) A separate interaction between CD40L on the B cell and CD40 (CD154) on the activated TH cell

d) A separate interaction between CD40 on the B cell and CD40L (CD154) on the activated TH cell

TLS Online TPP Program

#Question id: 3802

#Unit 3. Fundamental Processes

The last DNA to be replicated in the eukaryotic chromosome is: