解剖学和形态学
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听力与言语-语言病理学
行为科学
心脏和心血管系统
细胞和组织工程学
临床神经病学
危重症监护医学
牙科，口腔外科和医学
皮肤病学
急诊医学
内分泌学和新陈代谢
肠胃学和肝脏学
老人病学和老年医学
卫生保健科学和服务
血液学
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传染病
综合和补充性医学
医学伦理学
医学信息学
医学实验室技术
医学，全科和内科
医学，法律
医学，研究和试验
神经系统科学
护理
营养学和饮食学
产科医学和妇科医学
肿瘤学
眼科学
整形外科学
耳鼻喉科学
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周围血管疾病
药理学和药剂学
生理学
基本医疗保健
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公共、环境和职业卫生
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康复学
生殖生物学
呼吸系统
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热带医学
泌尿学和肾脏学
病毒学
老年医学
健康政策和服务
心理学，临床
abstract：:A natural population of Culex tritaeniorhynchus was sampled to test the efficacy of a proposed method to detect and measure concealed variability. Thirty-nine lethals and ten recessive visible mutations were uncovered out of a total of 125 chromosomes tested. ...
journal_title：Genetics
pub_type： 杂志文章
doi：
更新日期：1972-06-01 00:00:00
abstract：:On the basis of interallelic recombination frequencies measured in diallelic crosses of the 5 amylose-extender alleles in maize, ae, B1, B3, M2 and i1, it was possible to construct a unique linear genetic map ordering all 5 alleles within the locus. The reciprocal diallelic crosses each gave comparable frequency estim...
journal_title：Genetics
pub_type： 杂志文章
doi：
更新日期：1972-04-01 00:00:00
abstract：:Selection of Gl-Sb coupling heterozygotes was carried out for more than one hundred generations commencing with six independent lines drawn from a common base population. Population sizes were eight, sixteen and forty-eight parents per generation. The effect of natural selection on recombination value was measured by ...
journal_title：Genetics
pub_type： 杂志文章
doi：
更新日期：1972-03-01 00:00:00
abstract：:DNA amounts in macronuclei and micronuclei of Tetrahymena pyriformis were measured by Feulgen microspectrophotometry. Assuming that the unreplicated micronucleus is diploid, the unreplicated macronucleus was found to contain approximately 45 times the haploid DNA amount. The relationship of these findings to the 45 in...
journal_title：Genetics
pub_type： 杂志文章
doi：
更新日期：1972-02-01 00:00:00
abstract：:Data are presented for 2,393 progeny from a number of crosses related to a study in ecological genetics of the Burnsi and Kandiyohi polymorphisms in natural populations of the leopard frog, Rana pipiens. No significant differences in viability were found between wild-type homozygotes (+/+) and Burnsi heterozygotes (B/...
journal_title：Genetics
pub_type： 杂志文章
doi：
更新日期：1972-01-01 00:00:00
abstract：:We describe allelic variation at 28 gene loci in natural populations of D. willistoni. Seventy samples were studied from localities extending from Mexico and Florida, through Central America, the West Indies, and tropical South America, down to South Brazil. At least several hundred, and often several thousand, genome...
journal_title：Genetics
pub_type： 杂志文章
doi：
更新日期：1972-01-01 00:00:00
