Most important example of point mutation is found in a disease called

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4.Principles of Inheritance and Variation

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The most important example of point mutation is found in a disease called

Thalassemia

Night blindness

Down's syndrome

Sickle-cell anaemia

Solution

Sickle-cell anaemia is caused due to base replacement leading to replacement of sixth amino acid in the -chain. Glutamic acid is replaced by valine and causes sickle cell anaemia.

Standard 12

Biology

Gene for colourblindness is located on

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If a man who is colour blind marries a women, who is pure normal for colour vision, the chances of their sons have colour blindness is

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Colour blindness is a disease usually affecting man but the factor for it is transmitted to the children always by woman. This is because particular factor is located on

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All sons of a couple are colourblind because

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$A$ : The posssibility of a female becoming a haemophilic is extremely rare.
$R$ : Mother of such a female has to be carrier and father should be haemophilic

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The most important example of point mutation is found in a disease called

Solution

Similar Questions

Gene for colourblindness is located on

If a man who is colour blind marries a women, who is pure normal for colour vision, the chances of their sons have colour blindness is

Colour blindness is a disease usually affecting man but the factor for it is transmitted to the children always by woman. This is because particular factor is located on

All sons of a couple are colourblind because

$A$ : The posssibility of a female becoming a haemophilic is extremely rare. $R$ : Mother of such a female has to be carrier and father should be haemophilic

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$A$ : The posssibility of a female becoming a haemophilic is extremely rare.
$R$ : Mother of such a female has to be carrier and father should be haemophilic