(TERMS) PATTERNS OF INHERITANCE Flashcards

1
Q

Is a pictorial representation of a family history

A

Pedigree

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2
Q

Also known as propositus (female, proposita). The
person from whom the pedigree is initiated

A

Proband

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3
Q

Mating between closely related people– relatives

A

Consanguinity

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4
Q

If consanguinity is mating between relatives, this is
the degree of relatedness closer than law permits
(Tamarin)

A

Incestuous

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5
Q

involving sexual intercourse between two members
of the same family

A

Incestuous

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6
Q

refers to the appearance in the phenotype of genetically determined traits

A

penetrance

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7
Q

chance of an alelle to be expressed

A

penetrance

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8
Q

it is the degree of penetrance

A

expressivity

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9
Q

if the degree of relatedness is closer than law permits

A

incestuous

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10
Q

suggested by mary lyon states that the barr body(sex chromation) represented an inactive X chromosome

A

Lyon hypothesis

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11
Q

pictorial representation of a family history, essentially a family tree that outlines the inheritance of onr or more characteristics

A

pedigree

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12
Q

carries the gene but does not have the trait

A

obligate carrier

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13
Q

monozygotic

A

identical twins

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14
Q

dizygotic

A

fraternal twins

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