MOOC Medical Genetic(Shandong University)1458268163 最新慕课完整章节测试答案
02 Chromosomal basis of heredity
文章目录
- 02 Chromosomal basis of heredity
- 03 Patterns of single-gene inheritance
- 04 Principle of clinical cytogenetics
- 05 Chromosomal Disorder
- 06 Multifactorial Disorders
- 07 Epigenetics
- 08 Genetics of Cancer
- 09 Genetic variation in individuals and population_ Mutation and Polymorphism
- 10 Diagnosis of Genetic Diseases
Test 2
1、单选题:
Which of the following is acrocentric chromosome?
选项:
A: Chromosome 1
B: Chromosome 2
C: Chromosome 12
D: Chromosome 13
答案: 【 Chromosome 13】
2、单选题:
Which of the following is the best phase to observe chromosome?
选项:
A: Prophase
B: Metaphase
C: Anaphase
D: Telophase
答案: 【 Metaphase】
3、填空题:
What is cytogenetics?
答案: 【 Cytogenetics refers to both the study of the structure of chromosome material and the study of diseases caused by structural and numerical abnormalities of chromosomes.】
03 Patterns of single-gene inheritance
Test 3
1、单选题:
A young woman of northern European descent is the single parent of a child with autosomal recessive cystic fibrosis. She marries her first cousin and becomes pregnant. What is the probability that her child will have cystic fibrosis?
选项:
A: 1/4
B: 1/8
C: 1/16
D: 1/32
答案: 【 1/32】
2、单选题:
A couple are all blood type A, and have a child with blood type O. what is the possibility of this couple have a child with type A?
选项:
A: 100%
B: 25%
C: 50%
D: 75%
答案: 【 75%】
3、单选题:
What conditions will guarantee that a male offspring will have red-green color blindness?
选项:
A: the father is colorblind.
B: the mother is colorblind.
C: the father has the recessive gene.
D: the mother has the recessive gene.
答案: 【 the mother is colorblind.】
04 Principle of clinical cytogenetics
Test 4
1、单选题:
Which of the following pattern is correct?
选项:
A: Inversion: 46, XY, inv(2)(p13→q31)
B: Robertsonian translocation: 45, XX, t(14;21)(p11;q11)
C: Ring chromosome: 46, XX, r(2)(::p22→q32::)
D: Deletion: 46, XX, del(3)(p12;p22)
答案: 【 Robertsonian translocation: 45, XX, t(14;21)(p11;q11)】
2、填空题:
Please describe the following aberrations in both brief and detailed patterns:Chromosome 3 breaks at p22, and the terminal segment of the chromosome is deleted.
答案: 【 Brief pattern: 46, XX(XY), del(3)(p22)
Detailed pattern: 46, XX(XY), del(3)(qter→p22:)】
3、填空题:
Please describe th