- 1(current)
Q. No.Select the correct statement/s with respect to mechanism of sex determination in Grasshopper.
Choose the correct answer from the options given below:
| A: | It is an example of female heterogamety |
| B: | Male produces two different types of gametes either with or without X chromosomes. |
| C: | Total number of chromosomes (autosomes and sex chromosomes) is same in both males and females. |
| D: | All eggs bear an additional X chromosome besides the autosomes. |
| 1. | (B) and (D) only | 2. | (A), (C) and (D) only |
| 3. | (A) only | 4. | (A) and (C) only |
Subtopic: Â Sex Determination |
 75%
From NCERT
NEET - 2023
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Subtopic: Â Sex Determination |
 83%
From NCERT
NEET - 2022
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NEET 2023 - Target Batch - Aryan Raj Singh
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Select the incorrect statement:
| 1. | Human males have one of their sex-chromosome much shorter than the other. |
| 2. | Male fruit fly is heterogametic. |
| 3. | In male grasshoppers, 50% of sperms have no sex chromosome. |
| 4. | In domesticated fowls, the sex of progeny depends on the type of sperm rather than the egg. |
Subtopic: Â Sex Determination |
 68%
From NCERT
NEET - 2019
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
Match the items of Column - I with Column - II :
| Column-I | Column-II | ||
| (a) | XX-XO method of sex determination | (i) | Turner's syndrome |
| (b) | XX-XY method of sex Determination | (ii) | Female heterogametic |
| (c) | Karyotype-45 | (iii) | Grasshopper |
| (d) | ZW-ZZ method of Sex Determination | (iv) | Female homogametic |
Select the correct option from the following:
| (a) | (b) | (c) | (d) | |
| 1. | (ii) | (iv) | (i) | (iii) |
| 2. | (i) | (iv) | (ii) | (iii) |
| 3. | (iii) | (iv) | (i) | (ii) |
| 4. | (iv) | (ii) | (i) | (iii) |
Subtopic: Â Sex Determination |Â Sex Aneuploidy - Turner & Klinefelter Syndrome |
 79%
From NCERT
NEET - 2019
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
Which one of the following conditions of the zygotic cell would lead to the birth of a normal human female child?
1. one X and one Y chromosome
2. two X chromosomes
3. only one Y chromosome
4. only one X chromosome
Subtopic: Â Sex Determination |
 89%
From NCERT
AIPMT - 2011
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
- 1(current)
Q. No.
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