Mendelian Inheritance Flashcards

1
Q

What are the features of autosomal dominant inheritance?

A

Each generation is affected
Both sexes affected in equal proportion - equal transmission too
Transmitted through infected individuals

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2
Q

What are the features of autosomal recessive inheritance?

A

Affected individuals in a single generation
Generations are skipped
Both sexes are affected in equal proportion

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3
Q

Give an example of a dominant autosomal disease

A

Achondroplasia

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4
Q

Why will a can a father never pass on an X linked condition to his son?

A

For a son to be born, he receives a Y paternal chromosome and a maternal X chromosome

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5
Q

Who can transmit an X related condition?

A

Unaffected women and affected men

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6
Q

Can a female ever get haemophilia?

A

Yes, if she os the offspring of an affected male and a carrying mother

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