MCQOPTIONS
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MCQOPTIONS
This section includes 19 Mcqs, each offering curated multiple-choice questions to sharpen your Cytogenetics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following is true wrong about ABO blood group? |
| A. | It determines the antigen on RBC |
| B. | Some people may secretes a soluble form of this |
| C. | Secretors have se/se gene combination for secretion locus |
| D. | Non- secretors don’t produce this soluble form |
| Answer» D. Non- secretors don’t produce this soluble form | |
| 2. |
The eye color of drosophila is _______________ |
| A. | Autosomal |
| B. | Codominant |
| C. | X linked |
| D. | Y linked |
| Answer» D. Y linked | |
| 3. |
IA allele codes for the _________________ while IB codes for _________________ |
| A. | Alpha N galactosamine transferase, galactose transferase |
| B. | Glycosamino glycan transferase, Alpha N glucosamine transferase |
| C. | Alpha glucosamine transferase, Alpha galactosamine transferase |
| D. | Galactose transferase, galactose transferase |
| Answer» B. Glycosamino glycan transferase, Alpha N glucosamine transferase | |
| 4. |
If a person had Hh in the H antigen locus and IA i in the blood group locus what would be the blood group? |
| A. | A |
| B. | B |
| C. | AB |
| D. | O |
| Answer» B. B | |
| 5. |
IA_ALLELE_CODES_FOR_THE___________________WHILE_IB_CODES_FOR__________________?$ |
| A. | Alpha N galactosamine transferase, galactose transferase |
| B. | Glycosamino glycan transferase, Alpha N glucosamine transferase |
| C. | Alpha glucosamine transferase, Alpha galactosamine transferase |
| D. | Galactose transferase, galactose transferase |
| Answer» B. Glycosamino glycan transferase, Alpha N glucosamine transferase | |
| 6. |
Which of the following is true wrong about ABO blood group?$ |
| A. | It determines the antigen on RBC |
| B. | Some people may secretes a soluble form of this |
| C. | Secretors have se/se gene combination for secretion locus |
| D. | Non- secretors don’t produce this soluble form |
| Answer» D. Non- secretors don‚Äö√Ñ√∂‚àö√ë‚àö¬•t produce this soluble form | |
| 7. |
The_eye_color_of_drosophila_is________________$ |
| A. | Autosomal |
| B. | Codominant |
| C. | X linked |
| D. | Y linked |
| Answer» D. Y linked | |
| 8. |
If a Drosophila is having XXY sex chromosomal combination with one X bearing white allele for eye colour and another X having eosin allele for eye colour, what would be its phenotype? |
| A. | This is a lethal combination |
| B. | White eyes |
| C. | Red eyes |
| D. | Eosin eyes |
| Answer» E. | |
| 9. |
If you cross a eosin male Drosophila with a red eyed female, the daughters would have________________ |
| A. | Eosin eye |
| B. | Red eye |
| C. | White eye |
| D. | No eye colour |
| Answer» C. White eye | |
| 10. |
If you cross a red eyed male with a white eyed female, all the sons would be ___________ and all the daughters would be ______________ |
| A. | Red eyed, red eyed |
| B. | Red eyed, white eyed |
| C. | White eyed, White eyed |
| D. | White eyed, red eyed |
| Answer» E. | |
| 11. |
If a wild type eyed female drosophila is crossed to a white eyed male, what will be the percentage of their progeny with white eyes. |
| A. | 1 |
| B. | None |
| C. | Half |
| D. | 1/4 |
| Answer» C. Half | |
| 12. |
If a mother has blood group O and father has blood group A, the child being type AB, which of the following is wrong? |
| A. | The mother may have I<sup>B</sup> allele that is passed to daughter |
| B. | The father of the child is someone else with AB blood type |
| C. | The child has I<sup>A</sup> allele and also I<sup>B</sup> allele |
| D. | This is an abnormal case |
| Answer» C. The child has I<sup>A</sup> allele and also I<sup>B</sup> allele | |
| 13. |
If a person had Hh in the H antigen locus and IA i in the blood group locus what would be the blood group? |
| A. | A |
| B. | B |
| C. | AB |
| D. | O |
| Answer» B. B | |
| 14. |
In drosophila eye color is determined by multiple allele systems. Which of the following sequence is true for the dominance relationship? |
| A. | Eosin > red > white |
| B. | Red > eosin > White |
| C. | White > red > eosin |
| D. | Eosin > white > red |
| Answer» C. White > red > eosin | |
| 15. |
Like ABO blood group, MN blood group also shows multiple allelism. |
| A. | True |
| B. | False |
| Answer» C. | |
| 16. |
ABO blood group is not an example of ______________ |
| A. | Co dominance |
| B. | Multiple allele |
| C. | Epistasis |
| D. | Mendalian relations |
| Answer» D. Mendalian relations | |
| 17. |
If there are 4 alleles for a gene, then what would be the number of genotypes? |
| A. | 5 |
| B. | 10 |
| C. | 15 |
| D. | 20 |
| Answer» C. 15 | |
| 18. |
Multiple alleles arise from the same allele by mutation. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 19. |
If there are multiple alleles for a gene which of the following is true? |
| A. | All the alleles same expressed at the same time |
| B. | Among the multiple copies resent only the most dominant one is expressed |
| C. | Only two alleles are present at a time |
| D. | Only one allele is dominant rest all are recessive |
| Answer» D. Only one allele is dominant rest all are recessive | |