Sickle cell anaemia is due to

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4.Principles of Inheritance and Variation

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Sickle cell anaemia is due to

Hormones

Viruses

Genes

Bacteria

(AIPMT-1990)

Solution

(c)Sickle-cell anaemia is a genetic disease reported from negroes due to a molecular mutation of gene $HbA$ on chromosome $11$ which produces the $\beta $chain of adult haemoglobin.

Standard 12

Biology

Select the correct sentence for colour blindness ?

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$A$ – Sickle-cell anaemia is sex linked recessive trait

$R$ – This disease is controlled by more that two pair of alleles

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A boy is colour blind, in his two sisters one is colour blind and one is carrier $(normal)$. Then who is colour blind in his family

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A colour blind man marries the daughter of a colour blind person. Then in their progeny

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(AIIMS-1983)

Describe pedigree analysis and draw its symbols.

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Sickle cell anaemia is due to

Solution

Similar Questions

Select the correct sentence for colour blindness ?

$A$ – Sickle-cell anaemia is sex linked recessive trait $R$ – This disease is controlled by more that two pair of alleles

A boy is colour blind, in his two sisters one is colour blind and one is carrier $(normal)$. Then who is colour blind in his family

A colour blind man marries the daughter of a colour blind person. Then in their progeny

Describe pedigree analysis and draw its symbols.

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$A$ – Sickle-cell anaemia is sex linked recessive trait

$R$ – This disease is controlled by more that two pair of alleles