招惹
发表于 2025-3-30 09:47:20
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倾听
发表于 2025-3-30 14:08:01
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植物学
发表于 2025-3-30 17:57:39
Species, Speciation and Chromosomes, idea of the nature of species, some of these authors brought more confusion than light to the subject. It is obvious then that an understanding of the meaning of species is a prerequisite of the understanding of the role of chromosomes in speciation. It is for this reason that Dr. Benirschke has in
anesthesia
发表于 2025-3-30 23:51:02
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–scent
发表于 2025-3-31 02:44:22
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我不死扛
发表于 2025-3-31 05:03:20
Induced Chromosomal Aberrations with Special Reference to Man, as in chromosome preparations, have greatly facilitated the expansion of this field to the chromosomal level. Four general classes of exogenous agents have been described which are capable of causing chromosome aberrations and, therefore, possibly gene mutations as well: irradiation, viruses, physi
啤酒
发表于 2025-3-31 10:16:44
Lethal Chromosome Errors,elf through premature death. If the defective state is sufficiently severe, it leads to prenatal death. The severity of lethality due to a chromosomal defect may be expressed in degrees. Chromosome anomalies may conveniently be divided into three groups according to life expectancy of the zygote as
sparse
发表于 2025-3-31 15:42:30
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宫殿般
发表于 2025-3-31 18:15:26
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insert
发表于 2025-3-31 21:53:01
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