MCQOPTIONS
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MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Cytogenetics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Crossing 2 Andulasian fowls you get 10 white fowl. What will be the expected number of Andulasian fowls as progeny? |
| A. | 10 |
| B. | 20 |
| C. | 30 |
| D. | 40 |
| Answer» C. 30 | |
| 2. |
In a cross between wild type pure breeding recessive and heterozygous dominant trait, if 4 progeny are found to be expressing the dominant phenotype, what will be the expected number of recessive? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» E. | |
| 3. |
IN_A_CROSS_BETWEEN_WILD_TYPE_PURE_BREEDING_RECESSIVE_AND_HETEROZYGOUS_DOMINANT_TRAIT,_IF_4_PROGENY_ARE_FOUND_TO_BE_EXPRESSING_THE_DOMINANT_PHENOTYPE,_WHAT_WILL_BE_THE_EXPECTED_NUMBER_OF_RECESSIVE??$ |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» E. | |
| 4. |
Crossing_2_Andulasian_fowls_you_get_10_white_fowl._What_will_be_the_expected_number_of_Andulasian_fowls_as_progeny?$ |
| A. | 10 |
| B. | 20 |
| C. | 30 |
| D. | 40 |
| Answer» C. 30 | |
| 5. |
The F1 generation is determined by crossing P/P with p/p. Then the progeny obtained from them were intercrossed. What will be the ratio of pure breeding flowers to not pure breeding flowers in F2? |
| A. | 3:1 pure: non- pure |
| B. | 1:3 pure: non- pure |
| C. | 1:1 pure: non- pure |
| D. | 1:2 pure: non- pure |
| Answer» D. 1:2 pure: non- pure | |
| 6. |
The back cross can distinguish heterozygotes from homozygotes as they give _________ phenotypic ratio respectively. |
| A. | 1:1 dominant: recessive ; all recessive |
| B. | All dominant; all dominant |
| C. | 1:1 recessive; dominant; all dominant |
| D. | All dominant; 1:1 recessive: dominant |
| Answer» D. All dominant; 1:1 recessive: dominant | |
| 7. |
Which of the following is a test cross? |
| A. | Hh X Hh |
| B. | Hh X HH |
| C. | HH X HH |
| D. | Hh X hh |
| Answer» E. | |
| 8. |
The cross between a black and white fowl will give _______ |
| A. | Gray |
| B. | Andulasian |
| C. | White |
| D. | Black |
| Answer» C. White | |
| 9. |
If an H is for tall trait which is dominant and h is the recessive trait for short, which of the following cross will result in 1:1 tall: short progeny? |
| A. | HH X hh |
| B. | Hh X Hh |
| C. | Hh X hh |
| D. | hh X hh |
| Answer» D. hh X hh | |
| 10. |
If a true breeding tall pea plant is crossed with a true breeding short pea plant, what will be the phenotype of the F1 generation? |
| A. | All short |
| B. | All tall |
| C. | 3:1 short: tall |
| D. | 1:3 short: tall |
| Answer» C. 3:1 short: tall | |
| 11. |
The monohybrid phenotypic and genotypic ratio is same in the case of ________________ |
| A. | Multiple allele |
| B. | Codominance |
| C. | Incomplete dominance |
| D. | Normal dominance recessive relation |
| Answer» D. Normal dominance recessive relation | |
| 12. |
What is the maximum number of allele that monohybrid cross can consider? |
| A. | 1 |
| B. | 2 |
| C. | 4 |
| D. | 8 |
| Answer» C. 4 | |