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Beschreibung
Quiz von gina_evans0312, aktualisiert more than 1 year ago
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Erstellt von gina_evans0312
vor mehr als 10 Jahre
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Frage 1
Frage
Metaphase is the most important stage for genetic mapping
Antworten
- True
- False
Frage 2
Frage
Recombination cannot be detected in...
Antworten
-
Homozygotes
-
Heterozygotes
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Because both alleles are different
-
Because both alleles are identical
Frage 3
Frage
What indicates linkage?
Antworten
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The no of recombinants
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The no of homozygotes
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The no of heterozygotes
Frage 4
Frage
A generation bred from parents AB & ab, has 1 recombinant out of 20- is linkage involved
Antworten
-
Yes
-
No
Frage 5
Frage
Recombinant detecting probes can be fooled if double recombination occurs
Antworten
- True
- False
Frage 6
Frage
Which of the following gametes tend to recombine more around the centromere?
Antworten
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Spermatocytes
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Oocytes
Frage 7
Frage
Oocytes tend to recombine
Antworten
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Around the telomeres
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Around the centromere
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More than spermatocytes
-
Less than spermatocytes
Frage 8
Frage
Most recombination occurs at random
Antworten
- True
- False
Frage 9
Frage
What is 1q42.3 referring to?
Antworten
-
Short arm of chromosome 1
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Long arm of chromosome 1
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Locus position (from telomere to centromere)
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Locus position (from centromere to telomere)
Frage 10
Frage
Meiosis is made informative or uninformative depending on whether you can track the diseased allele
Antworten
- True
- False
Frage 11
Frage
What must be known for effective meosic analysis?
Antworten
-
Grandparent -> Grandchild phenotype
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Grandchild & all siblings phenotype
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Parent & all siblings -> Grandchild phenotype
Frage 12
Antworten
-
Yes- the child is a recombinant
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No- the child is heterozygous
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No- the father is homozygous
Frage 13
Antworten
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Uninformative non-recombinant
-
Informative recombinant
-
Informative Non-recombinant
Frage 14
Antworten
- True
- False
Frage 15
Frage
What is true of Recombinant/Human Pedigree Analysis?
Antworten
-
The lower the recombination frequency, the more likely the hypothysis is to be correct
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The higher the recombination frequency, the more likely the hypothysis is to be correct
Frage 16
Frage
A mother has a disease, and has the alleles M1 & M2- what are the two hypothesis for pedigree analysis?
Antworten
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M1 is diseased M2 is healthy
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M1 is healthy M2 is diseased
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M1 & M2 are healthy
-
M1 & M2 are diseased
Frage 17
Frage
Give the two Recombination frequencies for that above image
Antworten
-
0.16 & 0.83
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1.66 & 8.33
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16.66 & 83.33
Frage 18
Frage
A higher recombination frequency means alleles are closer together
Antworten
- True
- False
Frage 19
Frage
Define a Marker
Antworten
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Any mendelian character that can be used to follow a disease through a pedigree
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A fluorescent dye used to find particular alleles
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A mutagen used to create findable mutations
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