Name: Haemophilia: The Royal Disease
Uploaded: 2019-07-19
Duration: 2 min 3 s
Description: Haemophilia is an inherited genetic disorder that impairs the body's ability to make blood clots, a process needed to stop bleeding. Know more about it.

Question

Which of the following are dominant forms of hereditary traits in humans? Answer with a yes or no.

Hereditary Traits	Dominant
(a) Curly hair
(b) Blue eyes
(c) Thin lips
(d) Dimpled cheeks
(e) Rolling tongue
(f) Dark skin colour

Accepted Answer

Dominant trait: A dominant trait, in the context of genetics, refers to an observable characteristic or feature that is expressed when an individual possesses at least one dominant allele for a specific gene. Dominant alleles are symbolized by capital letters and, when present, mask the expression of the recessive allele. This means that if an individual carries one or two dominant alleles for a particular gene, the dominant trait will be visible in their phenotype.

Hereditary Traits Dominant

(a) Curly hair Yes

(b) Blue eyes No

(c) Thin lips No

(d) Dimpled cheeks Yes

(e) Rolling tongue Yes

(f) Dark skin colour Yes

Curly hair, Dimpled cheeks, Rolling tongue and Dark skin colour has dominant allele. Thus they are dominant and can be observe.

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