The Breeding of Animals
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In our eReader you can find the full English version of the book. Read The Breeding of Animals Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book The Breeding of Animals
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The barred character is, therefore, sex-limited.
The Barred Rock female is heterozygous and the male homozygous. The pure Barred Rock breed transmits the barred quality because the male is pure in respect to the barred character. The same result follows if a cross- barred male is mated with barred females. The explana- tion of sex-linked inheritance is probably to be found in the existence of some plus element in the egg which is not found in the sperm.
179. Controlling the sex of offspring. — ...In many of the domestic animals, the sex of the individual determines its peculiar value and usefulness to mankind. If some method of breeding could be devised which would result in the production of the particular sex desired, it would be a great economic gain. That such attempts have been made by both ancient and modern breeders is made clear from an examination of the literature of the subject from the earliest times to the present. Because of the more or less general belief among practical breeders in the possibility of controlling sex, it seems necessary to consider briefly some of the more widely held theories of sex control.
What to read after The Breeding of Animals?
You can find similar books in the "Read Also" column, or choose other free books by F B Frederick Blackmar Mumford to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
The barred character is, therefore, sex-limited.
The Barred Rock female is heterozygous and the male homozygous. The pure Barred Rock breed transmits the barred quality because the male is pure in respect to the barred character. The same result follows if a cross- barred male is mated with barred females. The explana- tion of sex-linked inheritance is probably to be found in the existence of some plus element in the egg which is not found in the sperm.
179. Controlling the sex of offspring. — ...In many of the domestic animals, the sex of the individual determines its peculiar value and usefulness to mankind. If some method of breeding could be devised which would result in the production of the particular sex desired, it would be a great economic gain. That such attempts have been made by both ancient and modern breeders is made clear from an examination of the literature of the subject from the earliest times to the present. Because of the more or less general belief among practical breeders in the possibility of controlling sex, it seems necessary to consider briefly some of the more widely held theories of sex control.
What to read after The Breeding of Animals?
You can find similar books in the "Read Also" column, or choose other free books by F B Frederick Blackmar Mumford to read onlineMoreLess
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