Disagreement in F(ST) estimators: A case study from sex chromosomes.
Disagreement in F(ST) estimators: A case study from sex chromosomes.
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DOI:
10.1111/1755-0998.13210
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发表时间:
2020-11
影响因子:
7.7
通讯作者:
Vicoso B
中科院分区:
文献类型:
--
作者:
Gammerdinger WJ;Toups MA;Vicoso B
Sewall Wright developed F ST for describing population differentiation and it has since been extended to many novel applications, including the detection of homomorphic sex chromosomes. However, there has been confusion regarding the expected estimate of F ST for a fixed difference between the X‐ and Y‐chromosome when comparing males and females. Here, we attempt to resolve this confusion by contrasting two common F ST estimators and explain why they yield different estimates when applied to the case of sex chromosomes. We show that this difference is true for many allele frequencies, but the situation characterized by fixed differences between the X‐ and Y‐chromosome is among the most extreme. To avoid additional confusion, we recommend that all authors using F ST clearly state which estimator of F ST their work uses.
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