A person may have one gene for normal haemoglobin and one gene for sickle cell haemoglobin. This het

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4.Principles of Inheritance and Variation

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A person may have one gene for normal haemoglobin and one gene for sickle cell haemoglobin. This heterozygous condition is called

Genome

Anaemia

Gene trait

Sickle cell trait

Solution

(d)Sickle cell trait is a heterozygous condition in which an organism may have one gene for normal haemoglobin and other gene for sickle cell haemoglobin.

Standard 12

Biology

A normal visioned woman, whose father is colour blind, marries a normal visioned man. What would be probability of her sons and daughters to be colour blind ? Explain with the help of a pedigree chart.

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$A$ : Sickel cell anaemia occurs due to the point mutation.
$R$ : $mRNA$ produced from $Hb(s)$ gene has $GAG$ instead of $GUG$.

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Why is the frequency of red-green colour blindness is many times higher in males than that in the females ?

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Colour blindness results from

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Thalassaemia is

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A person may have one gene for normal haemoglobin and one gene for sickle cell haemoglobin. This heterozygous condition is called

Solution

Similar Questions

A normal visioned woman, whose father is colour blind, marries a normal visioned man. What would be probability of her sons and daughters to be colour blind ? Explain with the help of a pedigree chart.

$A$ : Sickel cell anaemia occurs due to the point mutation. $R$ : $mRNA$ produced from $Hb(s)$ gene has $GAG$ instead of $GUG$.

Why is the frequency of red-green colour blindness is many times higher in males than that in the females ?

Colour blindness results from

Thalassaemia is

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$A$ : Sickel cell anaemia occurs due to the point mutation.
$R$ : $mRNA$ produced from $Hb(s)$ gene has $GAG$ instead of $GUG$.