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Colour blindness is

a)

Sex-linked recessive disease

b)

Sex-linked dominant disease

c)

Autosomal dominant disease

d)

Autosomal recessive disease


Question ID - 7632 | Toppr Answer

Colour blindness is

a)

Sex-linked recessive disease

b)

Sex-linked dominant disease

c)

Autosomal dominant disease

d)

Autosomal recessive disease

1 Answer - 5876 Votes

3537

Answer Key : (a) -

(a)

Colour Blindness

(i) It is a sex-linked recessive disorder

(ii) It results in defect in either red or and green cone cells of eye resulting in failure to discriminate between red and green colour

(iii) The gene for colour blindness is present on X-chromosome

(iv) It is observed more in males  because of presence of only one X-chromosome as compared to two chromosomes in famales



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