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Name:

Mendel's F2 trifactorial data for seed shape (A: round or wrinkled), cotyledon color (B: albumen yellow or green), and seed coat color (C: grey-brown or white)

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).

Variables:

This data frame contains the following columns:

seedshape: Factor with levels: AA, Aa and aa
cotylcolor: Factor with levels: BB, Bb and bb
coatcolor: Factor with levels: CC, Cc and 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).

Link To Google Sheets:

Rows:

Columns:

Files:

Mendel's F2 trifactorial data for seed shape (A: round or wrinkled), cotyledon color (B: albumen yellow or green), and seed coat color (C: grey-brown or white)_962_43.csv

License Type:

Public Domain (CC0)

References/Notes/Attributions:

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? Annals of Science 1:115-137.

2. Mendel, G. 1886. Versuche uber Pflanzen-Hybriden. Verhandlugen des Naturforschenden Vereines in Brunn 4:3-47. (An English translation. with annotations, is available from http://www.esp.org/foundations/genetics/classical/gm-65.pdf NB also the English translation by Royal Horticultural Society of London, reprinted in Peters, J.A. 1959. Classic Papers in Genetics. Prentice-Hall.)

3. Weir, B.S. 1996. Genetic Data Analysis II. Sinauer.

R Dataset Upload:

Use the following R code to directly access this dataset in R.

d <- read.csv("https://www.key2stats.com/Mendel_s_F2_trifactorial_data_for_seed_shape__A__round_or_wrinkled___cotyledon_color__B__albumen_yellow_or_green___and_seed_coat_color__C__grey-brown_or_white__962_43.csv")