characteristics of x-linked recessive inheritance Flashcards

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1
Q

x linked recessive inheritance occurs more in which gender

A

males

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2
Q

what is the only way a female can express an x-linked recessive disease

A

must inherit two copies of the recessive allele (one
from each parent) to express the disease,

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3
Q

what is the way a male can express an x-linked recessive disease

A

males need
only one copy (from the mother) to express the disease

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4
Q

why are x-linked recessive trait never be passed from father to son

A

father can give a son only a Y chromosome

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5
Q

how are x linked recessive traits passed from father to daughter

A

Gene is passed from an affected father to all his daughters, who, as
phenotypically normal carriers

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6
Q

name examples of x-linked recessive diseases

A

Duchenne muscular dystrophy (DMD), Osteogenesis
Imperfecta, Hemophilia A

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