454588
Descripción
Test por gina_evans0312, actualizado hace más de 1 año
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Creado por gina_evans0312
hace alrededor de 11 años
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Pregunta 1
Pregunta
Metaphase is the most important stage for genetic mapping
Respuesta
- True
- False
Pregunta 2
Pregunta
Recombination cannot be detected in...
Respuesta
-
Homozygotes
-
Heterozygotes
-
Because both alleles are different
-
Because both alleles are identical
Pregunta 3
Pregunta
What indicates linkage?
Respuesta
-
The no of recombinants
-
The no of homozygotes
-
The no of heterozygotes
Pregunta 4
Pregunta
A generation bred from parents AB & ab, has 1 recombinant out of 20- is linkage involved
Respuesta
-
Yes
-
No
Pregunta 5
Pregunta
Recombinant detecting probes can be fooled if double recombination occurs
Respuesta
- True
- False
Pregunta 6
Pregunta
Which of the following gametes tend to recombine more around the centromere?
Respuesta
-
Spermatocytes
-
Oocytes
Pregunta 7
Pregunta
Oocytes tend to recombine
Respuesta
-
Around the telomeres
-
Around the centromere
-
More than spermatocytes
-
Less than spermatocytes
Pregunta 8
Pregunta
Most recombination occurs at random
Respuesta
- True
- False
Pregunta 9
Pregunta
What is 1q42.3 referring to?
Respuesta
-
Short arm of chromosome 1
-
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)
Pregunta 10
Pregunta
Meiosis is made informative or uninformative depending on whether you can track the diseased allele
Respuesta
- True
- False
Pregunta 11
Pregunta
What must be known for effective meosic analysis?
Respuesta
-
Grandparent -> Grandchild phenotype
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Grandchild & all siblings phenotype
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Parent & all siblings -> Grandchild phenotype
Pregunta 12
Respuesta
-
Yes- the child is a recombinant
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No- the child is heterozygous
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No- the father is homozygous
Pregunta 13
Respuesta
-
Uninformative non-recombinant
-
Informative recombinant
-
Informative Non-recombinant
Pregunta 14
Respuesta
- True
- False
Pregunta 15
Pregunta
What is true of Recombinant/Human Pedigree Analysis?
Respuesta
-
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
Pregunta 16
Pregunta
A mother has a disease, and has the alleles M1 & M2- what are the two hypothesis for pedigree analysis?
Respuesta
-
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
Pregunta 17
Pregunta
Give the two Recombination frequencies for that above image
Respuesta
-
0.16 & 0.83
-
1.66 & 8.33
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16.66 & 83.33
Pregunta 18
Pregunta
A higher recombination frequency means alleles are closer together
Respuesta
- True
- False
Pregunta 19
Pregunta
Define a Marker
Respuesta
-
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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