final deck Flashcards

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1
Q

name of hexaploid bread wheat

A

Triticum aestivum

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2
Q

Pallister-Killian syndrome

A

syndrome with isochromosome of 12p

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3
Q

what is the inheritance pattern of VNTRs

A

codominance

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4
Q

alleles of linked genes usually segregate together during meiosis. when they don’t, it is because _________ has occurred between them

A

crossing over

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5
Q

if too little time has passed for crossing over to random haplotypes or if natural selection favors certain haplotypes, what would you expect to see

A

linkage disequilibrium

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6
Q

specific array of alleles making up set of linked genes on single chromosome is called a

A

haplotype

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7
Q

what genes is responsible for aniridia (WAGR)

A

PAX6

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8
Q

where would you expect to see highly repetitive regions of DNA known as satellites

A

short arm of acrocentric chromosome

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9
Q

studies of infants born w/ DS have established over 90% of causes can be attributed to what chromosomal abnormality

A

maternal meiosis I nondisjunction of chromosome 21

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10
Q

does inversion suppress or support the production of recombinant chromosomes?

A

suppress

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11
Q

does polyploidy increase fertility?

A

no

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12
Q

ex. of heterochromatin

A

telomeric DNA, Barr body, repetitive DNA, centromeric DNA

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