Slideshow 4 Part 2 Flashcards

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1
Q

Pedigree def

A

a graph of relationships among individuals upon which we superimpose the hadence of a phenotype of interest

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2
Q

Affected individual

A

individuals who bear the phenotype of interest

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3
Q

unaffected individual

A

individual who does not bear the phenotype of interest

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4
Q

What can the pedigree tell us

A

the type of inheritance

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5
Q

Sex linkage options

A

X linked dominant
X linked recessive
Y linked

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6
Q

Austosomal phenotypes

A

autosomal dominant
autosomal recessive

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7
Q

X linked dominant phenotypes clues

A

affected males always produce affected daughters
affected males never produce affected sons

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8
Q

affected males always produce affected daughters.
what is it

A

X linked dominant phenotypes

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9
Q

affected males never produce affected sons
what is it

A

X linked dominant phenotypes

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10
Q

X linked recessive phenotypes clues

A

phenotype observed in males much more frequently than females
no offspring of an affected male shows the phenotype
daughters of an affected male are all carriers, phenotype re-emerges in half of her sons

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11
Q

phenotype observed in males much more frequently than females
what is it

A

x linked recessive

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12
Q

no offspring of an affected male shows the phenotype
what is it

A

x linked recessive

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13
Q

daughters of an affected male are all carriers, phenotype re-emerges in half of her sons
what is it

A

x linked recessive

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14
Q

Y linked clues

A

only affected males
daughters of affected males do not pass on the phenotype to their sons

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15
Q

only affected males
what is it

A

y linked

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16
Q

daughters of affected males do not pass on the phenotype to their sons
what is it

A

y linked

17
Q

Autosomal dominant

A

phenotypes seen every generation
affected mothers of fathers transmit the phenotype to sons and daughters
this is NOT sex linked

18
Q

phenotypes seen every generation
what is it

A

autosomal dominant

19
Q

affected mothers of fathers transmit the phenotype to sons and daughters
what is it

A

autosomal dominant

20
Q

not sex linked

A

autosomal

21
Q

sons and daughters equally likey to be affected clues

A

affected offspring are produced from two unaffected parents
rare in the pedigree
sons and daughters equally likey to be affected

22
Q

affected offspring are produced from two unaffected parents
what is it

A

autosomal recessive

23
Q

rare in the pedigree
what is it

A

autosomal recessive

24
Q

sons and daughters equally likey to be affected
what is it

A

autosomal recessive

25
Q

inbreeding in a pedigree looks like what

A

a closed bracked

26
Q

reciprocal cross def

A

experimental method used to determine whether a trait is sec linkedc

27
Q
A