- 1(current)
Q. No.The mechanism of sex determination in grasshoppers is:
| 1. | XX – XY; male heterogamety |
| 2. | XX – XY; female heterogamety |
| 3. | XX – XO; male heterogamety |
| 4. | XX – XO; female heterogamety |
Subtopic: Sex Determination | Sex Determination: Further Considerations |
88%
From NCERT
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In birds, the mechanism of sex determination is:
| 1. | XX – XY; male heterogamety |
| 2. | ZZ – ZW; female heterogamety |
| 3. | XX – XO; male heterogamety |
| 4. | ZZ – ZW; male heterogamety |
Subtopic: Sex Determination | Sex Determination: Further Considerations |
68%
From NCERT
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A woman receives her X chromosomes from:
1. her mother only
2. her father only
3. both her mother and her father
4. extranuclear DNA in her mother's egg
Subtopic: Sex Determination |
80%
From NCERT
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A woman has four daughters. The chance that her next child will be a son is:
| 1. | 1 | 2. | 0 |
| 3. | \(1 \over 2\) | 4. | \(1 \over 4\) |
Subtopic: Sex Determination |
89%
From NCERT
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- 1(current)
Q. No.
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