Mac 9: End Flashcards
What is a chromosome composed of?
- Mostly proteins and DNA with small amounts of RNA.
- Proteins only
- DNA only
- Mostly proteins and RNA with small amounts of DNA.
-Mostly proteins and DNA with small amounts of RNA.
A chromosomal abnormality that causes a woman to be sexually undeveloped with webbing at the back of the neck and malformed elbows?
- XO Syndrome
- XXY Syndrome
- XYY Syndrome
- XXX Syndrome
-XO Syndrome
Which of the following statements ring true about the nature behind chromosomes in general?
- Two X chromosomes are necessary for normal female sexual development
- Human beings are diploids, hence they have 46 chromosomes
- All of the above
- Human have 22 pairs of autosomes and 1 pair of sex chromosomes
-All of the above.
Which of the following is an example of imprinted gene disorders?
- Klinefelter Syndrome
- Down Syndrome
- Angelman Syndrome
- Jacobs Syndrome
-Angelman Syndrome
Chorionic villus sampling reveals a fetus has the karyotype 47, XYY. What is the diagnosis?
- Normal Female
- Klinefelter Syndrome
- Edward Syndrome
- Jacobs Syndrome
-Jacobs Syndrome
A chromosomal abnormality that causes a man to have asexual to feminine body contours with large breasts; small male reproductive organs and sterility is?
- Angelman Syndrome
- Jacobs Syndrome
- Down Syndrome
- Klinefelter Syndrome
-Klinefelter Syndrome
A person who is 46, XY is a?
- Chromosomally Abnormal Male
- Chromosomally Abnormal Female
- Chromosomally Normal Male
- Chromosomally Normal Female
-Chromosomally Normal Male
All of the following are cells used for karyotyping, EXCEPT?
- Fibroblast
- RBC
- WBC
- Cheek Cells
-RBC
Which of the following is the DNA sequence repeated by telomeres?
- TTAGGG
- UUAGGG
- AAUCCC
- AATCCC
-TTAGGG
In karyotyping, how are chromosomes arranged?
- Abnormal chromosomes first followed by Autosomes
- Sex chromosomes first followed by Autosomes
- From longest to shortest
- From shortest to longest
-From longest to shortest
A cell that has three copies of every chromosome is?
- Euploid
- Trisomy
- Monosomy
- Triploid
-Triploid
A chromosome with two arms of about equal length?
- Telocentric
- Acrocentric
- Metacentric
- Submetacentric
-Metacentric
A chromosome with a long q arm and a short p arm?
- Telocentric
- Acrocentric
- Metacentric
- Submetacentric
-Submetacentric
Cells that have an extra chromosome 21 are?
- Trisomic
- Monosomic
- Triploid
- Haploid
-Trisomic
When is the ideal time for collection of amniotic fluid?
- The day before childbirth
- 14-16 weeks of gestation
- 5-7 weeks of gestation
- 1-3 week of gestation
-14-16 weeks of gestation
