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: 24559

#Unit 4. Cell Communication and Cell Signaling

How many gene segments are exist at heavy and the light chain loci?

TLS Online TPP Program

#Question id: 24560

#Unit 4. Cell Communication and Cell Signaling

Junctional diversity in VDJ recombination during gene rearrangement cause by the addition of,

TLS Online TPP Program

#Question id: 24561

#Unit 4. Cell Communication and Cell Signaling

Complement components can be classified into seven functional categories, representing the Proteins Involved in the Complement System in given table;

TLS Online TPP Program

#Question id: 24562

#Unit 4. Cell Communication and Cell Signaling

Major pathway of complement activation is involved such as

I. Classical pathway

II. Lectin pathway

III. Alternative pathway

These pathway involved

a. proceeds through the activation of a C3 convertase composed of C4b and C2a

b. Involved spontaneous hydrolysis or pathogenic surface

c. part of the adaptive immune response since it begins with the formation of antigen-antibody complexes.

d. Lectin proteins that recognize specific carbohydrate components primarily found on microbial surfaces—PAMP

TLS Online TPP Program

#Question id: 24563

#Unit 4. Cell Communication and Cell Signaling

Which of the following is NOT true for classical pathway of  complement activation?

TLS Online TPP Program

#Question id: 24564

#Unit 8. Inheritance Biology

A one type of nondisjunction leads to regions of tissue with different chromosome constitutions, a condition known as