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- Question
Bar eye character of Drosophila is due to
Options- A. duplication in region of 16A of X chromosome
- B. deletion in region of 16A of X chromosome
- C. due to presence of additional X-chromosome
- D. due to a point mutation in eye-locus
- Correct Answer
- duplication in region of 16A of X chromosome
- 1. Incase of inversion when the inverted segment of chromosome includes centromere, it is known as
Options- A. paracentric inversion
- B. double inversion
- C. inverted inversion
- D. pericentric inversion Discuss
- 2. If two genes show 50% recombination
Options- A. they are on different chromosomes
- B. they are on same chromosome but far apart
- C. both (a) and (b)
- D. they are closely located on the same chromosome Discuss
- 3. Which of the following denotes a pair of contrasting characters?
Options- A. Alleles
- B. Phenotype
- C. Homozygous
- D. Genotype Discuss
- 4. How many chromosomes are there in Caernorhabditis elegans?
Options- A. 3
- B. 6
- C. 9
- D. 12 Discuss
- 5. An odd number of cross overs in inverted region will result into formation of a dicentric chromatid and acentric chromatid at anaphase I incase of
Options- A. pericentric inversion
- B. paracentric inversion
- C. double inversion
- D. none of these Discuss
- 6. Which of the following begins when pairs of sister chromatids align in the center of the cell?
Options- A. Anaphase
- B. Interphase
- C. Metaphase
- D. Prophase Discuss
- 7. Which of the following is not a part of a human chromosome in any phase?
Options- A. Centriole
- B. Histone
- C. Nucleosome
- D. Centromere Discuss
- 8. Sequences that correctly describes the cell cycle is
Options- A. -> G1-> G2 -> S -> mitosis -> cytokinesis ->
- B. -> S -> G2 -> mitosis -> cytokinesis -> G1 ->
- C. -> G1 ->S -> G2 -> cytokinesis -> mitosis ->
- D. ->cytokinesis-> mitosis -> G1 -> S -> G2 -> Discuss
- 9. The spindle forms in the
Options- A. G1 phase
- B. G2 phase
- C. M phase
- D. S phase Discuss
- 10. During which phase, a cleavage furrow is formed in animal cells?
Options- A. C
- B. G1
- C. G2
- D. M Discuss
Animal Biotechnology Chromosomes problems
Search Results
Correct Answer: pericentric inversion
Correct Answer: both (a) and (b)
Correct Answer: Alleles
Correct Answer: 6
Correct Answer: paracentric inversion
Correct Answer: Metaphase
Correct Answer: Centriole
Correct Answer: -> S -> G2 -> mitosis -> cytokinesis -> G1 ->
Correct Answer: M phase
Correct Answer: C
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