The variance of the X2 mutant frequency estimate in barley

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Standard

The variance of the X2 mutant frequency estimate in barley. / Keiding, Niels.

I: Hereditas, Bind 66, Nr. 2, 12.1970, s. 263-267.

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt

Harvard

Keiding, N 1970, 'The variance of the X2 mutant frequency estimate in barley', Hereditas, bind 66, nr. 2, s. 263-267. https://doi.org/10.1111/j.1601-5223.1970.tb02349.x

APA

Keiding, N. (1970). The variance of the X2 mutant frequency estimate in barley. Hereditas, 66(2), 263-267. https://doi.org/10.1111/j.1601-5223.1970.tb02349.x

Vancouver

Keiding N. The variance of the X2 mutant frequency estimate in barley. Hereditas. 1970 dec.;66(2):263-267. https://doi.org/10.1111/j.1601-5223.1970.tb02349.x

Author

Keiding, Niels. / The variance of the X2 mutant frequency estimate in barley. I: Hereditas. 1970 ; Bind 66, Nr. 2. s. 263-267.

Bibtex

@article{ba84a6c34c1b4448a174a1e06da67076,
title = "The variance of the X2 mutant frequency estimate in barley",
abstract = "For the estimation of the mutation frequency, m, of induced mutations in barley, the X2 mutant frequency has been proposed as an estimator of m E(F), where E(F) is the mean segregation frequency of a homozygous mutant from a heterozygous self‐fertilized flower. Frydenberg (1963) has derived an approximation of the variance of this estimator. In the present paper a more precise estimator is given. It is demonstrated that Frydenberg's approximation overestimates the variance, and though the difference is negligible for small values of m, the use of the more precise estimator is recommended. ",
author = "Niels Keiding",
year = "1970",
month = dec,
doi = "10.1111/j.1601-5223.1970.tb02349.x",
language = "English",
volume = "66",
pages = "263--267",
journal = "Hereditas",
issn = "0018-0661",
publisher = "Wiley-Blackwell",
number = "2",

}

RIS

TY - JOUR

T1 - The variance of the X2 mutant frequency estimate in barley

AU - Keiding, Niels

PY - 1970/12

Y1 - 1970/12

N2 - For the estimation of the mutation frequency, m, of induced mutations in barley, the X2 mutant frequency has been proposed as an estimator of m E(F), where E(F) is the mean segregation frequency of a homozygous mutant from a heterozygous self‐fertilized flower. Frydenberg (1963) has derived an approximation of the variance of this estimator. In the present paper a more precise estimator is given. It is demonstrated that Frydenberg's approximation overestimates the variance, and though the difference is negligible for small values of m, the use of the more precise estimator is recommended.

AB - For the estimation of the mutation frequency, m, of induced mutations in barley, the X2 mutant frequency has been proposed as an estimator of m E(F), where E(F) is the mean segregation frequency of a homozygous mutant from a heterozygous self‐fertilized flower. Frydenberg (1963) has derived an approximation of the variance of this estimator. In the present paper a more precise estimator is given. It is demonstrated that Frydenberg's approximation overestimates the variance, and though the difference is negligible for small values of m, the use of the more precise estimator is recommended.

U2 - 10.1111/j.1601-5223.1970.tb02349.x

DO - 10.1111/j.1601-5223.1970.tb02349.x

M3 - Journal article

VL - 66

SP - 263

EP - 267

JO - Hereditas

JF - Hereditas

SN - 0018-0661

IS - 2

ER -

ID: 202486952