Agglutination reactions are similar in principle to precipitation reactions they depend on the crosslinking of polyvalent antigens. Just as an excess of antibody inhibits precipitation reactions, such excess can also inhibit agglutination reactions; this inhibition is called the prozone effect.

TLS Online TPP Program

#Id: 6916

#Unit 8. Inheritance Biology

Segmental duplications have played an important role in the evolution of human chromosomes; about 4% of the human genome consists of segmental duplications. 

TLS Online TPP Program

#Id: 6917

#Unit 8. Inheritance Biology

Unbalanced gene dosage leads to developmental abnormalities.

TLS Online TPP Program

#Id: 6918

#Unit 8. Inheritance Biology

Chromosome deletion 

TLS Online TPP Program

#Id: 6919

#Unit 8. Inheritance Biology

Chromosome deletion - Loss of a chromosome segment.

TLS Online TPP Program

#Id: 6920

#Unit 8. Inheritance Biology

Deletion include,
Terminal deletion

ntercalary/interstitial deletion 

Microdeletion

TLS Online TPP Program

#Id: 6921

#Unit 8. Inheritance Biology

Cri-du- chat syndrome- Deletion on 5, short arm

Wolf– Hirschhorn syndrome- Deletion on 4, short arm

Williams– Beuren syndrome - Deletion on 7, long arm

Prader– Willi syndrome- Deletion on 15 long arm