Download Cats Are Not Peas: A Calico History of Genetics, Second by Laura Gould PDF

By Laura Gould

The Vets flip light. . . George, a male calico, used to be a genetic anomaly, a manifestation of whatever that won't alleged to occur, a creature so infrequent that even such a lot veterinarians have by no means visible one. His curious lifestyles sparked Laura Gould's lengthy seek during the data of genetics to unearth the captivating and valiant roles performed by way of early cat geneticists, in addition to cats themselves, within the learn of genes and the way they paintings. for everybody with an curiosity in cats and cat breeding, this can be an unforgettable and infrequently hilarious account of the intersecting lives of cats and geneticists.

the sphere of genetics has exploded when you consider that 1992, while the 1st version of Cats should not Peas used to be accomplished. therefore a long Addendum is incorporated during this re-creation, offering the reader with the terminology and ideas had to comprehend burgeoning new parts within which cats have back had major roles to play---the sequencing of genomes and the construction of clones. those descriptions let you view with expanding ask yourself the realm round you and to imagine heavily approximately even if you should have your individual genome mapped or your cat cloned, either one of that are now attainable (if you could have enough money it).

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Additional resources for Cats Are Not Peas: A Calico History of Genetics, Second Edition

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These basic differences in size and function make it necessary for the production methods of these cells to be somewhat different as well. Thus the symbolic diagrams of meiosis shown in Figure 5 are applicable to sperm but not to eggs: A single spermproducing germ cell will indeed be transformed into four samesized sperm, but a single egg-producing germ cell will be transformed into one large egg and three small “polar bodies,” in the manner to be described momentarily. According to Irene Elia in her book The Female Animal, human embryos may start out with millions of cells that have the potential to become eggs (although hundreds of thousands of these may degenerate during the gestation period).

Calico coloration can occur in many breeds—in the domestic short-hair, like George, or in more exotic varieties such as the longhaired Persian and the tailless Manx. The black and orange patches may be bright and showy, as in George’s case, or dilute and understated, as in the fancy chestnut and lavender calicos seen in cat shows. Calico, however, is also a generic term that covers all these cases, and it will be used in what follows wherever the distinctions are irrelevant. 12 Cats Are Not Peas Calico folklore Many people don’t even know what a calico is, let alone the fact that almost all of them are female.

So with dismay, I handed back my now forbidden fruit and left for the long drive home, thoroughly defeated. Frustrated, discouraged, and still smarting over my failure, I did what one does under such circumstances: I called my mother. She has a faculty library card, and I asked her to try her luck at releasing my book from bondage. She encountered the same young man, who informed her, very politely, that the book was temporarily misplaced—could she please come back again tomorrow? Tomorrow the whereabouts of the book were still unknown, and for months thereafter she received a weekly mailing from a computer informing her that the book was mislaid but a search was underway.

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