Mendel's F2 trifactorial data for seed shape (A), cotyledon color (B) and seed coat color (C)

Description

The mendel3 data frame has 27 rows and 4 columns. Data are from Mendel (1886), and are reproduced in Fisher (1936) and Weir (1996).

Usage

data(mendelABC)

Format

This data frame contains the following columns:

seedshape
a factor with levels
seedshape
AA
seedshape
Aa
seedshape
aa
cotylcolor
a factor with levels
cotylcolor
BB
cotylcolor
Bb
cotylcolor
bb
coatcolor
a factor with levels
coatcolor
CC
coatcolor
Cc
coatcolor
cc
Observed
a numeric vector that holds the frequencies.

Details

The data are reviewed in detail in Fisher (1936). For a brief discussion, and references to work that revisits Fisher's conclusions, see Weir (1996).

Source

Data are from Mendel (1886), and are reproduced in Fisher (1936) and Weir (1996).

References

1. Fisher, R.A. 1936. Has Mendel's work been rediscovered? em{Annals of Science} 1:115-137.
2. Mendel, G. 1886. Versuche "{u}ber Pflanzen-Hybriden. Verhandlugen des Naturforschenden Vereines in Br"{u}nn 4:3-47. (English translation by Royal Horticultural Society of London, reprinted in Peters, J.A. 1959. em{Classic Papers in Genetics.} Prentice-Hall.
3. Weir, B.S. 1996. em{Genetic Data Analysis II.} Sinauer.

Examples

data(mendelABC)
hwde(mendelABC, loci=c("seedshape","cotylcolor","coatcolor"))

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