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Sex determination in most of the insects is:
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XO type, male heterogamety
Heterogamety is the feature of either of the sex in a species. It is of two types :
A. Male heterogamety
- Male produces two types of gametes.
- Male heterogamety is of two types :
1. XO type:
- It is found in most of the insects (e.g. Grasshopper).
2. XY type:
2. XY type:
- It is found in humans.
B. Female heterogamety
- Female produces two types of gametes.
- Female possess one chromosome less than that of male.
- It is observed in birds.
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