Pedigree chart given below shows a particular trait which is absent in parents but present in next g

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4.Principles of Inheritance and Variation

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The pedigree chart given below shows a particular trait which is absent in parents but present in the next generation irrespective of sexes. Draw your conclusion on the basis of the pedigree.

Option A

Option B

Option C

Option D

Solution

The trait is autosomal recessive trait. Both the parents are carrier (i.e., heterozygous) hence among offspring few show the trait irrespective of sex. The other off springs are either normal or carrier.

Standard 12

Biology

Which of the following is an example of sex-linked disease?

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Explain thalassemia.

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One of the genes present exclusively on the $X$-chromosome in humans is concerned with

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(AIIMS-2003)

Genes for colour blindness is carried by

$I.$ Abnormal development

$II.$ Father

$III.$ Mother

$IV.$ Autosomes

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Haemophilia is

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The pedigree chart given below shows a particular trait which is absent in parents but present in the next generation irrespective of sexes. Draw your conclusion on the basis of the pedigree.

Solution

Similar Questions

Which of the following is an example of sex-linked disease?

Explain thalassemia.

One of the genes present exclusively on the $X$-chromosome in humans is concerned with

Genes for colour blindness is carried by $I.$ Abnormal development $II.$ Father $III.$ Mother $IV.$ Autosomes

Haemophilia is

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Genes for colour blindness is carried by

$I.$ Abnormal development

$II.$ Father

$III.$ Mother

$IV.$ Autosomes