| 21. | Monotremes, by the way, have a sex determination system akin to those of birds.
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| 22. | They later commit to sex determination, becoming either female or male under normal circumstances.
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| 23. | :: Temperature-dependent sex determination occurs in reptiles but not birds.
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| 24. | This is a method of sex determination known as haplodiploidy.
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| 25. | The monotremes have a sex determination system different from that of most other mammals.
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| 26. | Sex determination is only accurate after 12 weeks gestation.
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| 27. | This type of sex determination is known as haplodiploidy.
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| 28. | In monofactorial sex determination, a single-locus determines sex inheritance.
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| 29. | Multifactorial sex determination occurs in numerous Neotropical species and involves both XY and ZW systems.
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| 30. | So the demand for sex determination tests is great.
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