龚啥尸函箱肛陌接可疙毋暗衫
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起止时间:2020-04-27到2020-06-30
更新状态:已完结
第一章 绪论 绪论 单元测验
1、 In 1900, whose law was rediscovered, which marked the birth of genetics.
A:C·R·Darwin
B:G·J·Mendel
C:A·Weismann
D:J·Lamarck
答案: G·J·Mendel
2、 Who was recognized as the founder of genetics?
A:J·Lamarck
B:T·H·Morgan
C:G·J·Mendel
D:C·R·Darwin
答案: G·J·Mendel
3、 Who was recognized as the founder of cytogenetics（细胞遗传学）?
A:J·Lamarck
B:T·H·Morgan
C:G·J·Mendel
D:C·R·Darwin
答案: T·H·Morgan
4、 Acquired traits （后天获得的性状）can be inherited.
A:正确
B:错误
答案: 错误
5、 The two genetic law proposed by Mendel are the law of segregation and the law of linkage.
A:正确
B:错误
答案: 错误
6、 The third genetic law proposed by Morgan is the law of linkage.
A:正确
B:错误
答案: 正确
第二章 孟德尔式遗传分析 单元测验1
1、 The law of segregation proves that when F1 hybrids form gametes, the paired genes
A:Segregate, enter the same gamete
B:Segregate, enter the different gamete
C:Not segregate, enter the same gamete
D:Not segregate, enter the different gamete
答案: Segregate, enter the different gamete
2、 An individual heterozygous with four different genes can produce how many genetically different gametes?
A:4
B:8
C:16
D:32
答案: 16
3、 After meiosis, what gametes will be formed by AaBb?
A:Aa Ab aB Bb
B:A a B b
C:AB Ab aB ab
D:Aa aa BB bb Bb AA
答案: AB Ab aB ab
4、 How many kinds of gametes can AaBbCc produce？
A:2
B:4
C:6
D:8
答案: 8
5、 What can be inherited to offspring from parents?
A:Genotype
B:Phenotype
C:Gene
D:Trait
答案: Gene
第二章 孟德尔式遗传分析 单元测验2
1、 1. It is known that albinism is controlled by one recessive gene located on the euchromosome. When a couple who both carry the albinism genes, what is the probability that their child suffer from the albinism?
A:1
B:0.75
C:0.5
D:0.25
答案: 0.25
2、 2. In a cross Aabb and AaBb the frequency of genotype A_B_ is
A:3/8
B:5/8
C:1/16
D:9/16
答案: 3/8
3、 3. Consider four independently assorting gene pairs, A/a, B/b, C/c and D/d, where each demonstrates typical dominance. What is the probability of obtaining an offspring that is AABbCcDD from parents that are AaBbCcDd and AABbCcDD?
A:1/64
B:1/8
C:1/16
D:1/32
答案: 1/16
4、 In human, the albinism is controlled by a recessive gene on the autosome. The parents of the sufferer should be
A:Both of the parents are sufferer.
B:At least one of the parents is sufferer.
C:Both of the parents are normal but carriers.
D:At least one of the parents is normal.
答案: Both of the parents are normal but carriers.
5、 4. A man was affected by the disease of hemophilia, which is controlled a recessive gene on X chromosome. He can inherit this disease to his son.
A:正确
B:错误
答案: 错误
6、 5. A man was affected by the disease of hemophilia, which is controlled a recessive gene on X chromosome. He can inherit this disease to his son.
A:正确
B:错误
答案: 错误
7、 Consider the cross AaBb ×aabb. If the alleles for both genes exhibit complete dominance, the phenotypic ratio is 1:1:1:1.
A:正确
B:错误
答案: 正确
8、 In human, brown eyes (B) is dominant to blue eyes (b). The gene is located on autosome. A couple both with brown eyes has a son with blue eyes. We can know that the genotype of the couple are heterozygotes.
A:正确
B:错误
答案: 正确
第三章 遗传的染色体学说 单元测验
1、 1. There are 10 pairs of chromosomes in the normal cells of maize. The number of chromosomes in the endosperm is
A:5
B:10
C:20
D:30
答案: 30
2、 2. The number of chromosomes in somatic cells（体细胞） is 20. After meiosis, the number of chromosomes in the daughter cells is
A:5
B:10
C:20
D:40
答案: 10
3、 3. In a zygote, there are two pair of genes( A and a, B and b) on one pair of homologous chromosome. The chromosome of the somatic cell is
A:AABB
B:AaBB
C:AaBb
D:AABb
答案: AaBb
4、 4. If 100 primary oocytes（初级卵母细胞） and 500 primary sperm cells （初级精母细胞）are all mature, how many zygote (合子） will form after fertilization?
A:100
B:400
C:500
D:2000
答案: 100
5、 5. If two chromosomes of a species are the same length and have similar centromere placements, they are homologous.
A:正确
B:错误
答案: 错误
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