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- Question
A map of chromosomes that utilizes cloned and sequenced DNA fragments rather than genetic markers is known as
Options- A. a physical map
- B. a genetic map
- C. a cloning map
- D. none of these
- Correct Answer
- a physical map
- 1. How many chromosomes are there in the budding yeast (S. cerevisiae)?
Options- A. 16
- B. 17
- C. 18
- D. 20 Discuss
- 2. In an organism, the chromosome number is maintained constant because of
Options- A. independent assortment
- B. crossing over
- C. DNA duplication
- D. synapsis Discuss
- 3. Exchange of segments between non homologous chromosomes is best known as
Options- A. translation
- B. translocation
- C. recombination
- D. crossing over Discuss
- 4. Which of the following herbicide is known to be effective against perennial shrubs, annual weeds and weeds of rice?
Options- A. Cycloheximide
- B. Anisomycin
- C. Herbicidin
- D. Bialaphos Discuss
- 5. Which of the following is selectively effective against dicot weeds?
Options- A. Cycloheximide
- B. Anisomycin
- C. Herbicidin A and B
- D. Bialaphos Discuss
- 6. Hairy wing character of Drosophila is due to
Options- A. duplication in region of chromosome
- B. deletion in region of chromosome
- C. due to presence of additional X-chromosome
- D. due to a point mutation Discuss
- 7. A diagram depicting chromosomes of haploid set of an organism ordered in a series of decreasing size is known as
Options- A. zymogram
- B. chromogram
- C. idiogram
- D. karyogram Discuss
- 8. Transmission of a gene from male parent to female child to male grand child is known as
Options- A. holandric inheritance
- B. quantitative inheritance
- C. criss-cross inheritance
- D. maternal inheritance Discuss
- 9. How does dosage compensation in Drosophila occur?
Options- A. Hypertranscription of male X chromosome
- B. Hypotranscription of female X chromosome
- C. X inactivation in females
- D. Chimerism Discuss
- 10. A cross shaped (+) or a ring involving four chromosomes may be formed during metaphase I in case of
Options- A. translocation heterozygote
- B. deficiency
- C. haploid organism
- D. duplication Discuss
Animal Biotechnology Chromosomes problems
Search Results
Correct Answer: 16
Correct Answer: DNA duplication
Correct Answer: translocation
Correct Answer: Cycloheximide
Correct Answer: Herbicidin A and B
Correct Answer: duplication in region of chromosome
Correct Answer: idiogram
Correct Answer: criss-cross inheritance
Correct Answer: Hypertranscription of male X chromosome
Correct Answer: translocation heterozygote
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