## Abstract In chickens and other birds, females have two different sex chromosomes (ZW), whereas males carry two homologous sex chromosomes (ZZ). The primary sex ratio can thus be determined by genetic analysis of the sex chromosome of the ovum before fertilization. Sex diagnosis is more reliable
β¦ LIBER β¦
Incidence of Sex Chromatin in Gallus domesticus
β Scribed by KOSIN, I. L.; ISHIZAKI, H.
- Book ID
- 121165184
- Publisher
- American Association for the Advancement of Science
- Year
- 1959
- Tongue
- English
- Weight
- 444 KB
- Volume
- 130
- Category
- Article
- ISSN
- 0036-8075
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## Abstract Recent studies of several avian species have shown that the primary sex ratio can change as a result of prevailing conditions, especially in the female bird's first reproductive season. In this study, we sought to determine the primary sex ratio of the first 15 eggs produced in chickens