| 单词 |
pleiotropism |
| 释义 |
pleiotropism Genetics.|plaɪˈɒtrəpɪz(ə)m|
[f. as next: see -ism.]
= pleiotropy.
1927Zeitschr. für Induktive Abstammungs- und Vererbungslehre XLIII. 331 Plate..proposed the term ‘pleiotrop’... Some of the highest authorities in the field of genetics have come to the conclusion that the pleiotropism of the genes is not an exception but rather the general rule. 1943Jrnl. Genetics XLV. 6 A distinction has been made between genuine and spurious pleiotropism. 1970T. Dobzhansky Genetics of Evolutionary Process vii. 210 Correlated responses due to pleiotropisms (physiological correlations) may make it impossible to endow a breed..with combinations of characteristics that would be desirable to man. 1973B. J. Williams Evolution & Human Origins ii. 30/1 Pleiotropism does not interfere with a Mendelian analysis of inheritance. 1977Lancet 29 Oct. 925/1 Gardner described such a family (no. 109) who also had extracolonic benign growths (fibromas, sebaceous and epidermal inclusion cysts, osteomas) which showed pleiotropism. |
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