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Hypertrichosis of pinna is ………. Trait....

Hypertrichosis of pinna is ………. Trait.

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Correct sentence. Hypertrichosis is a X-linked trait.

Hypertrichosis is a trait linked to :

Gene for hypertrichosis is ----

In human, attached earlobes are a dominant feature over free earlobes while hypertrichosis (Y-linked) feature. A man with attached earlobed and extensive hair on pinna married a woman having free earlobes. The couple had one son with free earlobes and hairy pinna and two daughters with attached earlobes. One of the daughters with attached earlobes. One of he daughters married a man with free earlobes and sparse hair on pinna. They had two sons. What would be the characteristics of their ponnae ?

Wife is PTC non-taster and husband is PTC taster. Their son is taster but daughters are non-tasters. This is not a sex linked trait. Which pedigree is correct ?

Closely related species differing in various traits express

Assertion : At F_(2) stage in monohybrid cross, both parental traits are expressed in the proportion of 3:1 Reason : The contrasting parental traits show blending at F_(2) stage

. . . . . states that when two alternative forms of a trait or character are present in an organism only one factor expresses itself in F_(1) - progeny

Describe the characteristics of sex-linked inheritance and write about Y-linked traits in humans beings. Name any two disorders that occur due to sex-linked inheritance.