NEET Botany
Sex Determination
Low Priority
Consistency: 20%
Weightage: 4 / 20 Yrs
High-Yield Trend
1
2022 1
2019 1
2011 1
2006 Questions 4 MCQs
01
PYQ 2006
medium
botany ID: neet-200
In which mode of inheritance do you expect more maternal influence among the offspring?
1. Autosomal
2. Cytoplasmic
3. Y-linked
4. X-linked
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02
PYQ 2011
easy
botany ID: neet-201
Which one of the following conditions correctly describes the manner of determining the sex in the given example?
| 1. | XO type of sex chromosomes determines male sex in grasshopper |
| 2. | XO condition in humans as found in Turner syndrome, determines female sex |
| 3. | Homozygous sex chromosomes (XX) produce males in Drosophila |
| 4. | Homozygous sex chromosomes (ZZ) determine the female sex in birds. |
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03
PYQ 2019
easy
botany ID: neet-201
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. |
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04
PYQ 2022
easy
botany ID: neet-202
XO type of sex determination can be found in:
1. Monkeys
2. Drosophila
3. Birds
4. Grasshoppers
1. Monkeys
2. Drosophila
3. Birds
4. Grasshoppers
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