Excerpt from The Origin of a Polydactylous Race of Guinea-PigsPrevious to the birth of this polydactylous guinea-pig, I had never seen a fourth digit on the hind foot of a guinea-pig, nor heard of its occurrence either among wild or domesticated Caviidae, and I am unable to find any reference to such a character in the literature of the group. But I have since found that
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10 sep 2010 and its bearing on the theory of pure gametes; the origin of a polydactylous race of guinea pigs available to buy online at takealot.
Currently there are three or four major “races” of humans, as the word race is commonly defined: (a) australoid; (b) caucasoid; (c) mongoloid; and (d) negroid.
Gous polydactylous fowl of silkie-houdan-leghorn crossbred origin, all of which were bilaterally six-toed; (c), inter se matings of silver gray dorking fowl.
29 apr 2011 polydactylous infants born in the province in the years 1964 - 1967 were ascertained principally among ulnar-fibular cases with no history of accessory digits in previous incidence of polydactyly i n different race.
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Buy heredity of hair-length in guinea-pigs and its bearing on the theory of pure gametes, and, the origin of a polydactylous race of guinea-pigs (classic reprint) on amazon.
Probably the oldest picture in europe of a polydactylous individual appeared in the arnstein bible dated 1172. It shows a man belonging to a supposedly monstrous race, with feet facing backwards, nine toes on each foot, but with a regular number of fingers.
Heredity in relation to evolution and animal-breeding, new york.
Polydactyly or polydactylism (from greek πολύς (polys) 'many', and δάκτυλος (daktylos) 'finger'), also known as hyperdactyly, is an anomaly in humans and animals resulting in supernumerary fingers and/or toes.
The extra digit is most commonly an abnormal fork in an existing digit, or it may rarely originate at the wrist as a normal digit does.
Castle, william ernest (1906) the origin of a polydactylous race of guinea-pigs.
The history is straightforward in most patients with polydactyly; they are born with incidence varies considerably by race: ulnar-sided polydactyly is 10 times more for polydactyly with bone attachment, parts from both polydactylo.
Cra and a are related in origin (seestrong, 1936b, 1942, and heston, 1949). In experiment a it has arisen independently three times in a hybrid race of mice.
“an account of a family having hands and feet with supernumerary fingers and toes.
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