(A) Albinism is a genetic disorder characterized by the absence of the pigment melanin in the skin,hair,and eyes.It is caused by mutations in specific

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(A) Albinism is a genetic disorder characterized by the absence of the pigment melanin in the skin,hair,and eyes.It is caused by mutations in specific genes that are inherited from parents to offspring.Since it is passed down through generations via genetic material,it is classified as a hereditary character.

Class 12 Biology Principles of Inheritance and Variation Pedigree Analysis and Mendelian disorders

Medium

Albinism is a:

A
Hereditary character
B
Non-hereditary character
C
Sex-linked character
D
Acquired character

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Class 12 Questions

Class 12

Biology Questions

Chapter

Principles of Inheritance and Variation

Subtopic

Pedigree Analysis and Mendelian disorders

If a colorblind man marries a woman with normal vision,what is the probability of their son being colorblind?

Medium

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Match the columns:

Column $I$ Column $II$

$(a)$ Sickle cell anaemia $(x)$ Homogentisic acid

$(b)$ Alkaptonuria $(y)$ Melanin pigments are absent

$(c)$ Albinism $(z)$ More amount of phenylalanine

$(d)$ Phenylketonuria $(w)$ Defective haemoglobin

Column $I$	Column $II$
$(a)$ Sickle cell anaemia	$(x)$ Homogentisic acid
$(b)$ Alkaptonuria	$(y)$ Melanin pigments are absent
$(c)$ Albinism	$(z)$ More amount of phenylalanine
$(d)$ Phenylketonuria	$(w)$ Defective haemoglobin

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Disorders inherited according to Mendel's laws of inheritance are called:

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In sickle-cell anaemia,which of the following amino acids is substituted?

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$A$ - Sickle-cell anaemia is a sex-linked recessive trait.
$R$ - This disease is controlled by more than two pairs of alleles.

Medium

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Albinism is a:

Similar Questions

If a colorblind man marries a woman with normal vision,what is the probability of their son being colorblind?

Match the columns: Column $I$ Column $II$ $(a)$ Sickle cell anaemia $(x)$ Homogentisic acid $(b)$ Alkaptonuria $(y)$ Melanin pigments are absent $(c)$ Albinism $(z)$ More amount of phenylalanine $(d)$ Phenylketonuria $(w)$ Defective haemoglobin

Disorders inherited according to Mendel's laws of inheritance are called:

In sickle-cell anaemia,which of the following amino acids is substituted?

$A$ - Sickle-cell anaemia is a sex-linked recessive trait.$R$ - This disease is controlled by more than two pairs of alleles.

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Match the columns:

Column $I$ Column $II$

$(a)$ Sickle cell anaemia $(x)$ Homogentisic acid

$(b)$ Alkaptonuria $(y)$ Melanin pigments are absent

$(c)$ Albinism $(z)$ More amount of phenylalanine

$(d)$ Phenylketonuria $(w)$ Defective haemoglobin

$A$ - Sickle-cell anaemia is a sex-linked recessive trait.
$R$ - This disease is controlled by more than two pairs of alleles.