448377
Descripción
Test por gina_evans0312, actualizado hace más de 1 año
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Creado por gina_evans0312
hace más de 10 años
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Pregunta 1
Pregunta
What is a compound heterozygote?
Respuesta
-
Two alleles that are heterozygous, but both gene products mimic the wild type allele
-
Heterogeneous recessive alleles at a particular locus that can cause genetic disease in a heterozygous state
-
Where one recessive allele causes the mutation of another
Pregunta 2
Pregunta
Autosomal recessive disorders are far more common between consaginous individuals
Respuesta
- True
- False
Pregunta 3
Pregunta
Heterozygotes with autosomal recessive alleles tend to manifest _ strongly than homozygotes
Respuesta
-
More
-
Equally
-
Less
Pregunta 4
Respuesta
-
First cousins once removed
-
Second cousins
-
Second cousins once removed
-
First cousins
Pregunta 5
Respuesta
-
First cousins
-
Second cousins
-
First cousins once removed
Pregunta 6
Pregunta
Name the two factors that lead to Amish Microcelepathy in the Amish population
Respuesta
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Founder Mutation
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Infected Rye
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Co-sanguinous relationships
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Insufficient nutrients
Pregunta 7
Pregunta
By English law, how is incest defined?
Respuesta
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Grandparent-Parent/Grandchild
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Sibling-Sibling
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Sibling- Half sibling
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First cousins
-
Second cousins
Pregunta 8
Pregunta
What type of relationships would the children of the above parents have?
Image:
Double_1st (image/png)
Respuesta
-
Double first cousins
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Demi-cousins
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Half cousins
-
Double second cousins
Pregunta 9
Pregunta
Autosomal dominant mutations have a sex bias
Respuesta
- True
- False
Pregunta 10
Pregunta
What type of disease is being passed on in this pedigree?
Respuesta
-
Autosomal dominant
-
Autosomal recessive
-
X-Linked recessive
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X-linked dominant
Pregunta 11
Pregunta
Autosomal dominant phenotypes often require environmental factors
Respuesta
- True
- False
Pregunta 12
Pregunta
Which of the sex chromosomes can carry a disorder?
Respuesta
-
X
-
Y
Pregunta 13
Pregunta
Which type of inheritance is shown by the pedigree pictured?
Respuesta
-
Autosomal dominant
-
X-Linked recessive
-
Autosomal recessive
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Y Linked
Pregunta 14
Pregunta
Chromosome defects most often effect fertility
Respuesta
- True
- False
Pregunta 15
Pregunta
Why would a Y-linked disorder effect fertility?
Respuesta
-
Y chromosome genes most often effect sex organs
-
The Y chromosome damages genes for hormones more easily than any other gene
Pregunta 16
Pregunta
Diseased sons with a y-linked disorder must have diseased mothers
Respuesta
- True
- False
Pregunta 17
Pregunta
Which of the following is true of an X-linked recessive disorder?
Respuesta
-
No direct male to male transmission
-
The mother is usually the carrier
-
The father is usually the carrier
-
Effects mainly males
-
Effects mainly females
-
Males cannot be born to unaffected parents
Pregunta 18
Pregunta
A father will an X-linked recessive disease will mean that ALL his daughters are carriers
Respuesta
- True
- False
Pregunta 19
Pregunta
The following pedigree shows which type of inheritence?
Respuesta
-
Y-linked
-
X-linked dominant
-
X-linked recessive
Pregunta 20
Pregunta
Only females will be effected by an X-linked dominant allele
Respuesta
- True
- False
Pregunta 21
Pregunta
A father with an X-linked dominant will infect all his daughters
Respuesta
- True
- False
Pregunta 22
Pregunta
Of females and males, who are effected more mildly/variably by x-linked dominant disorders?
Respuesta
-
Females
-
Males
-
Both are effected equally
Pregunta 23
Pregunta
Which of the following is true about Rhett syndrome?
Respuesta
-
It is most likely to occur in the young
-
It is most likely to occur as you age
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Caused by an MeCP2 fault
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Caused by haploinsufficiency
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Caused by Pseudodominance
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Caused by faulty gene expression
Pregunta 24
Pregunta
Why is Genomic Imprinting a thing?
Respuesta
-
Some genes are selectively expressed from the maternal or paternal allele
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Some genes are more dominant depending which parent it is expressed from
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Maternal genes are more likely to cause disorders than paternal genes
Pregunta 25
Pregunta
Disorders due to genomic imprinting are caused when differential expression is lost
Respuesta
- True
- False
Pregunta 26
Pregunta
Amish microcephaly is an example of what?
Respuesta
-
Autosomal dominant
-
Autosomal recessive
-
X linked dominant
-
X linked recessive
Pregunta 27
Pregunta
Hemimegalencephaly is an example of what?
Respuesta
-
Autosomal dominant
-
Autosomal recessive
-
X-linked recessive
-
Y-linked
Pregunta 28
Pregunta
Non-obstructive spermatogenic failure is an X-linked recessive disease
Respuesta
- True
- False
Pregunta 29
Pregunta
Colour blindness is an example of...
Respuesta
-
Y-linked
-
X-linked dominant
-
X-linked recessive
Pregunta 30
Pregunta
State some symptoms of CLUB4-mutated X-linked syndrome
Respuesta
-
Microcephaly
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Small tesetes
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Impaired speech
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Impaired gait
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