MCQOPTIONS
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MCQOPTIONS
This section includes 17 Mcqs, each offering curated multiple-choice questions to sharpen your Cytogenetics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What are the odds in favor that cross between a black and an Andalusian fowl will give 4 Andalusian fowls? |
| A. | 1/2 |
| B. | 1/4 |
| C. | 1/8 |
| D. | 1/16 |
| Answer» E. | |
| 2. |
If you cross two roan cows, what percentage of the progeny would you expect to be roan? |
| A. | 10% |
| B. | 25% |
| C. | 50% |
| D. | 75% |
| Answer» D. 75% | |
| 3. |
An M blood type daughter is born to a mother who has type M blood group and a father who has type N. Which of the following is true? |
| A. | The father of the child is someone else |
| B. | The mother of the child is someone else |
| C. | This is a normal case |
| D. | The child has genotype M/N |
| Answer» B. The mother of the child is someone else | |
| 4. |
AN_M_BLOOD_TYPE_DAUGHTER_IS_BORN_TO_A_MOTHER_WHO_HAS_TYPE_M_BLOOD_GROUP_AND_A_FATHER_WHO_HAS_TYPE_N._WHICH_OF_THE_FOLLOWING_IS_TRUE??$ |
| A. | The father of the child is someone else |
| B. | The mother of the child is someone else |
| C. | This is a normal case |
| D. | The child has genotype M/N |
| Answer» B. The mother of the child is someone else | |
| 5. |
What are the odds in favor that cross between a black and an Andalusian fowl will give 4 Andalusian fowls?$ |
| A. | 1/2 |
| B. | 1/4 |
| C. | 1/8 |
| D. | 1/16 |
| Answer» E. | |
| 6. |
If you cross two roan cows, what percentage of the progeny would you expect to be roan?$ |
| A. | 10% |
| B. | 25% |
| C. | 50% |
| D. | 75% |
| Answer» D. 75% | |
| 7. |
If a person has M blood group which of the following is wrong? |
| A. | He is a homozygote |
| B. | His blood reacts to anti M antibody |
| C. | His child’s blood would react to anti M antibody |
| D. | His child will always have M blood type |
| Answer» E. | |
| 8. |
In case of codominance product is ___________________ |
| A. | Produced from both the alleles |
| B. | Produced from one allele |
| C. | Incompletely produced from both alleles |
| D. | None are functional |
| Answer» B. Produced from one allele | |
| 9. |
Among the progenies born from the mating of a white and an Andalusian fowl there are 5 white chickens. What is the expected total number of progeny? |
| A. | 5 |
| B. | 10 |
| C. | 15 |
| D. | 25 |
| Answer» C. 15 | |
| 10. |
Incomplete allele is the condition when some mutation in the wild type gene makes it lose its haplosufficiency. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 11. |
A child is born to a mother whose blood group is A and a father whose blood group is B. The child is of blood group A. According to this which of the following is true? |
| A. | The mother has Bombay blood group |
| B. | The child’s father is some other man |
| C. | This is a normal case |
| D. | The child has genotype I<sup>A</sup>/ I<sup>A</sup> |
| Answer» D. The child has genotype I<sup>A</sup>/ I<sup>A</sup> | |
| 12. |
A pink snapdragon is crossed to a white snapdragon. What is the probability of getting a red snap dragon? |
| A. | 1 |
| B. | 1/2 |
| C. | 1/4 |
| D. | None |
| Answer» E. | |
| 13. |
In case of incomplete dominance monohybrid F1 ________________ is 1:2:1. |
| A. | Genotype |
| B. | Phenotype |
| C. | Bothe genotype and phenotype |
| D. | The ratio is wrong |
| Answer» D. The ratio is wrong | |
| 14. |
A white and a black chicken give an egg. What is the probability of the progeny born being Andalusian? |
| A. | 1/6 |
| B. | 1/4 |
| C. | 1/2 |
| D. | 1 |
| Answer» E. | |
| 15. |
Choose the wrong one out. |
| A. | Codominant genes are never haplosufficient |
| B. | Dominant phenotype is expressed when a gene is haplosufficient |
| C. | Incomplele dominance is the presence of haplosufficiency |
| D. | In homozygous condition an allele can express its phenotype be it the dominant or recessive allele in nature |
| Answer» D. In homozygous condition an allele can express its phenotype be it the dominant or recessive allele in nature | |
| 16. |
Codominance and incomplete dominance is the same thing. |
| A. | True |
| B. | False |
| Answer» C. | |
| 17. |
In incomplete dominance__________________ |
| A. | Phenotype of both allele is expressed |
| B. | Phenotype of only one allele is expressed |
| C. | Phenotype of neither of the alleles are expressed |
| D. | Phenotype of both allele is partially expressed |
| Answer» E. | |