Math, asked by rikuuushashhhtag, 1 year ago

explain what is Rh-factor......???????

Answers

Answered by Anonymous
4
Rh-factor

In 1940, Landsteiner and Weiner discovered that apart from antigen A and B, another antigen discovered from Rhesus monkey, may be present on the surface of the RBCs in many people. This antigen was named as Rh-factor or Rhesus factor. The people (almost 85%- 90%) who possess the Rh-factor are called Rh+ and those who do not possess this factor are called Rh-

Anonymous: Elaborate it
Answered by BrainlyRacer
5

                         Rh-factor

⇒ Rh-factor is associated with Rh-antigen.

⇒ Rh-factor was discovered by Landsteiner and Veiner in 1940 in rhesus monkey.

Genes, which control Rh-factor are present on autosomes.

⇒ No natural Rh antibodies are found in blood of man. But if     blood is mixed with   blood then antibodies formation starts, i.e. , antibodies against Rh antigen are produce in    blood.

⇒ Marriage of     man  and    ⁻ woman is prohibited because due to this first birth is safe, while second is fatal. This disease is known as erythroblastosis foetalis.

⇒ Now-a-days IgG ( Immunoglobulin preparation ) is given to each                    woman after first birth for prevention.

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