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WorksheetsChromosomal abnormality
Total questions: 23
Worksheet time: 13mins
Chromosomes that are paired together because they are similar in size, shape, and the genes they carry are called ________________________
analogous chromosomes
univalent chromosomes
homologous chromosomes
tetrads
A picture of chromosomes arranged by size and centromere location that can reveal abnormalities is called a __________________
karyocature
karyotype
chromomere
chromotype
Out of what kind of material(s) are chromosomes made?
DNA only
Protein only
DNA and protein
A person with Cri-du-Chat Syndrome is
missing chromosome # 5
trisomy 13
trisomy 21
missing part of chromosome # 5
Another name for trisomy 13 is
Patau Syndrome
Down syndrome
Edward syndrome
Turner syndrome
Klinefelter’s Syndrome is caused by the presence of
an extra Y-chromosome (XYY)
an extra X-chromosome (XXY)
a missing X-chromosome ( _X)
trisomy 21
Non-sex chromosomes are called ________________________
allosome
autosome
autochrome
cytochrome
An accident of meiosis or mitosis, in which both members of a pair of homologous chromosomes or both sister chromatids fail to move apart properly is called
nondysjunction
dysjunction
cell division
Amniocentesis was performed on a woman. The withdrawn fluid underwent biochemical analysis and the fetal cells were cultured. A karyotype was done.
The child was discovered to have an extra #21 chromosome. What is the diagnosis?
Patau syndrome
Edward syndrome
Down syndrome
Turner syndrome
A normal human male would be expected to have how many Barr bodies in his cells?
0
1
2
3
A normal human female would be expected to have how many Barr bodies in his cells?
0
1
2
3
