FINAL STUDY GUIDE D115 100% CORRECT AND
UPDATED!!
, How is transcription best defined? - ANSWER RNA is synthesized from a DNA
template.
An amniocentesis indicates a neural tube defect when an increase in which protein is
evident? - ANSWER Alpha fetoprotein
Amniocentesis is recommended for pregnant with what history? - ANSWER Have a
family history of genetic disorders
35 or older
positive prenatal screening test
chromosomal condition or neural tube defect in a previous pregnancy
abnormal ultrasound results
What is the technique for prenatal diagnosis of chromosomal abnormalities at 10 to 12
weeks' gestation? - ANSWER Chorionic villus sampling
*Amniocentesis is usually performed during the 15th week of pregnancy or later.
What is the term for an error in which homologous chromosomes fail to separate during
meiosis or mitosis? - ANSWER Nondisjunction
What is the most common cause of Down syndrome? - ANSWER Maternal
nondisjunction
What syndrome, characterized by an absent homologous X chromosome with only a
single X chromosome, exhibits features that include a short stature, widely spaced
nipples, and webbed neck? - ANSWER Turner Syndrome
A person with 47, XXY karyotype has the genetic disorder resulting in which syndrome?
- ANSWER Klinefelter Syndrome
When a child inherits a disease that is autosomal recessive, it is inherited from whom? -
ANSWER Both Parents
Cystic fibrosis is caused by what type of gene? - ANSWER autosomal recessive
The BRCA1 and BRCA2 mutations increase the risk of which cancer in women? -
ANSWER ovarian
What are blood transfusion reactions an example of? - ANSWER Alloimmunity
UPDATED!!
, How is transcription best defined? - ANSWER RNA is synthesized from a DNA
template.
An amniocentesis indicates a neural tube defect when an increase in which protein is
evident? - ANSWER Alpha fetoprotein
Amniocentesis is recommended for pregnant with what history? - ANSWER Have a
family history of genetic disorders
35 or older
positive prenatal screening test
chromosomal condition or neural tube defect in a previous pregnancy
abnormal ultrasound results
What is the technique for prenatal diagnosis of chromosomal abnormalities at 10 to 12
weeks' gestation? - ANSWER Chorionic villus sampling
*Amniocentesis is usually performed during the 15th week of pregnancy or later.
What is the term for an error in which homologous chromosomes fail to separate during
meiosis or mitosis? - ANSWER Nondisjunction
What is the most common cause of Down syndrome? - ANSWER Maternal
nondisjunction
What syndrome, characterized by an absent homologous X chromosome with only a
single X chromosome, exhibits features that include a short stature, widely spaced
nipples, and webbed neck? - ANSWER Turner Syndrome
A person with 47, XXY karyotype has the genetic disorder resulting in which syndrome?
- ANSWER Klinefelter Syndrome
When a child inherits a disease that is autosomal recessive, it is inherited from whom? -
ANSWER Both Parents
Cystic fibrosis is caused by what type of gene? - ANSWER autosomal recessive
The BRCA1 and BRCA2 mutations increase the risk of which cancer in women? -
ANSWER ovarian
What are blood transfusion reactions an example of? - ANSWER Alloimmunity
