WorksheetsGenetic Disorders Test Review
Total questions: 20
Worksheet time: 10mins
Which of the following is a autosomal dominant disorder?
Huntington's
Cystic fibrosis
Hemophilia
Sickle cell anemia
Which of the following is a sex-linked disorder?
Hemophilia
Sickle cell anemia
Cystic fibrosis
Huntington's
Which disorder is due to males having an extra X chromosome (XXY)?
Klinefelter's syndrome
Turner's syndrome
Marfan syndrome
Down syndrome
Down syndrome is the result of...
trisomy 21
XXY
XO
trisomy 7
Which is an autosomal dominant disorder leading to bone defects and slender limbs?
Marfan syndrome
rickets
trisomy 21
Turner's syndrome
The purpose of amniocentesis is to ... (read each choice carefully)
diagnose genetic abnormalities
treat genetic abnormalities
check the amount of amniotic fluid
do gene therapy
Which disorder is due to having three X chromosomes (XXX)?
Triple X syndrome
Turner's syndrome
Marfan syndrome
Down syndrome
Which disorder is due to females having one X chromosome, but no other sex chromosome (XO)?
Triple X syndrome
Turner's syndrome
Marfan syndrome
Down syndrome
When replicated chromosomes fail to separate properly during meiosis, it is called...
nondisjunction
conjunctivitis
genetic therapy
sticky chromosome syndrome
For a person to have cystic fibrosis, they have to inherit...
two dominant alleles
one dominant and one recessive allele
two recessive alleles
five recessive alleles
For a person to have Huntington's disease, they have to inherit...
only one dominant allele
three X chromosomes
two recessive alleles
five recessive alleles
Professionals that help families understand the risk of their children being affected by a genetic disorder are called...
genetic counselors
pediatricians
physical therapists
Dr. Strange
What are the sex chromosomes in a female with Klinefelter's syndrome?
XO
XXX
XYY
females cannot get Klinefelter's syndrome because the genotype is XXY (the Y makes them a male)
Which disorder is caused by a missing piece of chromosome (specifically a piece of the 5th chromosome)?
Cri du chat syndrome
trisomy 7
Down syndrome
Klinefelter's syndrome
Most genetic disorders show a __________ inheritance pattern.
dominant
recessive
X-linked
Y-linked
A picture of a cell's chromosomes is called a ...
karyotype
genetic thumbprint
kodachrome
gene selfie
Achondroplasia is a form of dwarfism that is caused by ...
a dominant allele
a recessive allele
two recessive alleles
an X-linked trait
The process of inserting normal genes into cells with mutant genes is called...
gene therapy
amniocentesis
X-man reversal
karyotyping
