Science Quiz

Random Science Quiz
Score 0/56 Timer 07:00
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Questions Answer % Correct
When one or more individual chromosome is present as an extra copy (or missing) it is known as an...aneuploidy
58.3%
How many autosomes are there in humans?22pairs
50%
Trisomy 21 causes...down syndrome
41.7%
Trisomy 13 leads to...Patau syndrome
41.7%
Trisomy 18 is...Edward's syndrome
41.7%
The complete number of human chromosomes which every human should have is known the...human karyotype
33.3%
In a chromosome the short arm is the...armp
33.3%
Most chromosome abnormalities are...trisomies
33.3%
the nomenclature for patau syndrome is...47, XX or XY +13
33.3%
in trisomy 18 approx... of babies die in utero95%
33.3%
47, XXY is known as...Klinfelter syndrome
33.3%
45, X is known as...Turner syndrome
33.3%
the failure of homologous chromosomes to separate properly during meiosis is known as....non-disjunction
33.3%
The study of the genetic component of a cell through the visualisation and analysis of chromosomes is known as....cytogenetics
25%
a chromosome where the p arm is so short and just about visible is known as...acrocentric
25%
the centromere has two arms they are the... armsp and q
25%
chromosome abnormalities are responsible for...of spontaneous abortions50%
25%
heart defects, incomplete brain development, small or missing eyes, spinal defects and seizures are signs of...Patau syndrome
25%
trisomies leading to birth occur in chromosomes 13,18 and 21 because they are... compared to the otherssmaller
25%
No adolescent growth spurt indicates which chromosome abnormality linked disease? Turner syndrome
25%
the complete chromosome set in a human is known as the karyotype and also...Euploidy
25%
Aneuploidies are caused by....non-disjunction
25%
A chromosome with its centromere positioned in the middle is known as...metacentric
16.7%
a chromosome with its centromere on one side more than the other is known as...submetacentric
16.7%
Acrocentric chromosomes have...&...on it's p sidestalks and satellites
16.7%
the nomenclature of down syndrome is...47, XX or XY +21
16.7%
common complications of down syndrome are...cardiac abnormalities and acute leukaemia
16.7%
the nomenclature for edwards's syndrome is...47, XX or XY +18
16.7%
Questions Answer % Correct
Turner syndrome is...a monosomy
16.7%
When one is a carrier of a disease but displays no symptoms we say the disease is....asymptomatic
16.7%
The syndrome where 1 in 20000 males have the normal female karyotype is known as...46, XX male
16.7%
the procedure used in prenatal diagnosis of chromosomal abnormalities, feotal infections and sex determination is called...amniocentesis
16.7%
Amniocentesis is invasive and has a small risk of miscarriage which is...1%
16.7%
trisomies and monosomies are examples of...aneuploidy
16.7%
non-disjunction errors occur, more specifically during...oogenesis
16.7%
autosomes are...non-sex chromosomes
8.3%
a common sign of down syndrome is...a single crease on the palm
8.3%
in trisomy 18 approx... of infants will survive the first year of life5-10%
8.3%
Diagnosis is usually made late in adult life for which abnormal sex chromosome syndrome...Klinfelter syndrome
8.3%
two signs of Klinefelter syndrome areinfertility and small testes
8.3%
The absence of the mensural period of a woman in her reproductive age is known as...amenorrhea
8.3%
A symptom of turner syndrome in utero is..ova degeneration
8.3%
In 46, XX male the...is transferred to the tip of the X chromosometip of the Y chromosome
8.3%
Amniocentesis is usually carried out in weeks...of the pregnancy15-20
8.3%
The risk of down syndrome...increases with maternal age
8.3%
The female karyotype is...42 autosomes and 2 X chromosomes
0%
A trisomy is occurs when...there are 3 copies of one gene
0%
the mean survival of trisomy 13 is approximately...130 days
0%
heart defects, intestines perturbing outside the body and kidney malformations are signs of....Edward's syndrome
0%
in trisomy 18 approx... of infants live to 2 months50%
0%
smaller chromosomes have trisomies leading to birth because they have...fewer genes in triplicate
0%
Two symptoms of Turner syndrome include...shorty stature and amenorrhea
0%
Wich of the abnormal chromosome syndromes is asymptomatic47, XYY
0%
A sign of XY syndrome is that the carrier is usually...above average height
0%
The tip of the Y chromosome is the...sex determining region of the Y chromosome
0%
0%
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Created Dec 19, 2014ReportNominate
Tags:genetic, Inheritance, Revision

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