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Quiz sobre Cytogenetics, criado por rachelbird10 em 21-10-2015.

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Cytogenetics

Questão 1 de 15

1

A structural chromosomal abnormality is described by which of the following?

Selecione uma das seguintes:

  • Chromosome breakage with improper repair

  • Nondisjunction of chromosomes during Meiosis I

  • Nondisjunction of chromosomes during Meiosis II

  • Extra chromosomes created and added to genome

Explicação

Questão 2 de 15

1

How many chromosomes could someone with polypoidy have?

Selecione uma das seguintes:

  • 69 chromosomes

  • 47 chromosomes

  • 45 chromosomes

Explicação

Questão 3 de 15

1

You can survive with only one X chromosome.

Selecione uma das opções:

  • VERDADEIRO
  • FALSO

Explicação

Questão 4 de 15

1

Dispermy results in?

Selecione uma das seguintes:

  • Triploidy

  • Tetraploidy

  • Polyploidy

Explicação

Questão 5 de 15

1

Preencha o espaço em branco para completar o texto.

The most common pregnancy complication is .

Explicação

Questão 6 de 15

1

A baby is born with feet shaped like rockers and clenched hands. The baby had poor prenatal growth. Which of the following describe the condition of the baby?

Selecione uma das seguintes:

  • Edwards Syndrome, Nondisjunction

  • Edwards Syndrome, Robertsonian Translocation

  • Patau Syndrome, Nondisjuction

  • Patau Syndrome, Robertsonian Translocation

Explicação

Questão 7 de 15

1

All of the following include trisomy. Down Syndrome is a defect in chromosome . Edwards Syndrome is a defect in chromosome . Patau is a defect in chromosome .

Arraste e solte para completar o texto.

    13
    21
    18
    22
    19
    17
    15
    25

Explicação

Questão 8 de 15

1

Turner Syndrome is a result of nondisjunction of maternal chromosomes.

Selecione uma das opções:

  • VERDADEIRO
  • FALSO

Explicação

Questão 9 de 15

1

Preencha os espaços em branco para completar o texto.

The Turner Syndrome genotype is . The Klinefelter genotype is . The Tripe X Syndrome genotype is . The last sex chromosome disorder involves paternal meiosis II nondisjunction and is called

Explicação

Questão 10 de 15

1

Which of the following (more than one?) could be caused by maternal nondisjuction?

Selecione uma ou mais das seguintes:

  • Turner Syndrome

  • Triple X Syndrome

  • Klinefelter Syndrome

  • Edwards Syndrome

Explicação

Questão 11 de 15

1

Which of the following would result in a phenotypically normal individual?

Selecione uma das seguintes:

  • Robertsonian translocation

  • Deletion

  • Duplication

  • Isochromosome

Explicação

Questão 12 de 15

1

Which of the following would describe a male with a balanced reciprocal translocation involving 3q and 17p?

Selecione uma das seguintes:

  • 44 Structurally normal chromosomes

  • An abnormal phenotype

  • No increased risk of miscarriage

  • 1 structurally abnormal chromosome

Explicação

Questão 13 de 15

1

A 4 month old female infant is not obtaining normal developmental milestones and has failure to thrive. Chromosome analysis reveals an abnormality; one copy of chromosome 21 has extra genetic material attached to the long arm. The origin of the extra material is not obvious. All other chromosomes appear normal. How would you interpret this finding?

Selecione uma das seguintes:

  • She has down syndrome

  • She has a partial trisomy 21

  • This was inherited from one of her parents who has a balanced abnormal segregation.

  • The abnormality could be phenotypically mild.

Explicação

Questão 14 de 15

1

A monosomy is worse than a trisomy.

Selecione uma das opções:

  • VERDADEIRO
  • FALSO

Explicação

Questão 15 de 15

1

A baby is born with only one chromosome 15 with the two q arms attached at one centromere. Which of the following most correctly describes the baby's condition.

Selecione uma das seguintes:

  • Robertsonian translocation

  • An unbalanced structural mutation

  • Mosaicism for chromosome 15

  • Monosomy for chromosome 15

Explicação