PolyTrak


Litter Analysis - September 28, 2006
Based on Data from Litter-Kitten Table

DATA SAMPLING BASIS
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Total Kittens in Database * = 185  Total Polys in Database = 104 Total Non Polys in Database = 64
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Total Sires in Database = 19 Total Dams in Database = 27 Sire Polydactyl = 42%
Dam Polydactyl = 27%
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* Note:  Of the 185 Kittens listed in the Database, 17 have been removed from the total as being unknown as to whether or not they would have displayed the Pd Gene (Polydactyl).  The "unknowns" are due primarily to stillborns and early death after birth, where digit configurations could not be determined.  The sampling pool of kittens is still relatively small which will introduce greater margins of error in calculated results.
For analysis purposes this leaves basis of 168 sampled kittens, of which 104 are visually displaying the Pd Gene (Polydactyl) and 64 which are not (Non Poly).

STATISTICAL ANALYSIS
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168 Kittens Sampled
Anticipated result (based on genetic behaviour) = 57%
(Note: Percentage is based on factoring Poly x Poly mating which independently would yield 75% as opposed to just Poly X Non Poly mating which would yield 50%)
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Polydactyl (104) 63% Non Poly (64) 37%
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155 Kittens Sampled (Poly X Non Poly)
Anticipated result (based on genetic behaviour) = 50%
(Note: Percentage is based on Poly X Non Poly mating ONLY which would yield 50%)
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Polydactyl (93) 60% Non Poly (62) 40%
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13 Kittens Sampled (Poly X Poly)
Anticipated result (based on genetic behaviour) = 75%
(Note: Percentage is based on Poly X Poly mating ONLY from heterozygous parents which would yield 75%)
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Polydactyl (11) 85% Non Poly (2) 15%
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ANALYSIS - GENDER & POLYDACTYLY
Sampling Basis
144 kittens expressing the Pd (Polydactyl) gene and 59 kittens without the gene expression (Non Poly) were sampled.  In addition 13 polydactyl kittens 

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