Genes and Genetic Diseases
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| A nurse recalls the basic components of DNA are | a phosphate molecule, deoxyribose, and four nitrogenous bases.
🗑
|
||||
| Which of the following mutations have the most significant effect on protein synthesis? | Frameshift mutations
🗑
|
||||
| The base components of DNA are: | A, G, C, and T.
🗑
|
||||
| A DNA strand has a region with the sequence ATCGGAT. Which of the following would be a complementary strand? | TAGCCTAG
🗑
|
||||
| A biologist is explaining how RNA directs the synthesis of protein. Which process is the biologist describing? | Translation
🗑
|
||||
| What is the result of homologous chromosomes failing to separate during meiosis? | Nondisjunction
🗑
|
||||
| A cell that does not contain a multiple of 23 chromosomes is called a _____ cell. | polyploid
🗑
|
||||
| A 20-year-old pregnant female gives birth to a stillborn child. Autopsy reveals that the fetus has 92 chromosomes. What term may be on the autopsy report to describe this condition? | Tetraploidy
🗑
|
||||
| The condition in which an extra portion of a chromosome is present in each cell is called: | partial trisomy.
🗑
|
||||
| After a geneticist talks to a patient about being a chromosomal mosaic, the patient asks the nurse what that means. How should the nurse respond? You may _____ genetic disease(s). | have a mild form of the
🗑
|
||||
| What is the most common cause of Down syndrome? | Maternal nondisjunction
🗑
|
||||
| A patient wants to know the risk factors for Down syndrome. What is the nurse’s best response? | Pregnancy in women over age 35.
🗑
|
||||
| A 13-year-old girl has a karyotype that reveals an absent homologous X chromosome with only a single X chromosome present. What medical diagnosis will the nurse observe on the chart? | Turner syndrome
🗑
|
||||
| What genetic disorder is the result if an individual possesses an XXY chromosome configuration? | Klinefelter
🗑
|
||||
| A patient demonstrates severe mental retardation caused by a deletion of part of chromosome 5. What genetic disorder will the nurse see documented in the chart? | Cri du chat syndrome
🗑
|
||||
| An aide asks the nurse why people who have neurofibromatosis will show varying degrees of the disease. Which genetic principle should the nurse explain to the aide? | Expressivity
🗑
|
||||
| Cystic fibrosis is caused by what gene abnormality? | Autosomal recessive
🗑
|
||||
| A 15-year-old female is diagnosed with Prader-Willi syndrome. This condition is an example of: | genomic imprinting.
🗑
|
||||
| A patient, age 9, is admitted to a pediatric unit with Duchenne muscular dystrophy. When planning care the nurse recalls the patient inherited this condition through a trait that is: | X-linked recessive.
🗑
|
||||
| A child is diagnosed with cystic fibrosis. History reveals that the child’s parents are siblings. Cystic fibrosis was most likely the result of: | consanguinity
🗑
|
||||
| To express a polygenic trait: | several genes must act together.
🗑
|
||||
| What is the diagnosis of a 13-year-old female who has a karyotype that reveals an absent homologous X chromosome with only a single X chromosome present? short stature, widely spaced nipples, and a reduced carrying angle at the elbow. | Turner syndrome
🗑
|
||||
| The gradual increase in height among the human population over the past 100 years is an example of: | a multifactorial trait.
🗑
|
||||
| When discussing DNA replication, which enzyme is most important? | DNA polymerase
🗑
|
||||
| The regions of the heterogeneous nuclear RNA that must be spliced out to form functional RNA are called: | introns
🗑
|
||||
| A 50-year-old male was recently diagnosed with Huntington disease. Transmission of this disease is associated with: | delayed age of onset.
🗑
|
||||
| What type of mutation does not change the amino acid sequence and thus has no observable consequence? | Silent
🗑
|
||||
| A nurse is reviewing the pedigree chart. When checking for a proband, what is the nurse looking for? | The person who is first diagnosed with a genetic disease.
🗑
|
||||
| Which of the following disorders is manifested primarily in males? | Muscular dystrophy
🗑
|
||||
| When the nurse is teaching the staff about X-linked recessive disorders, which information should the nurse include? ( | b. The trait is never transmitted from father to son.
c. The gene can be transmitted through a series of carrier females.
d. The gene is passed from an affected father to all his daughters.
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
NightinGeel