人与其它生物之间的基因相似度 Fruit Fly 44% Mouse 23andMe 92% Yeast 26% Chimp 98% Plant 18% What percent of your genes do you share? www.23andme.com
2022-3-11 1 6 人与其它生物之间的基因相似度
群体的突变、选择与进化 ●群体中的个体差异造成选择的基础 ●环境选择更加适应的基因组合:没有最好只有更好。 ●微小的差异会在不同基因组不断传代中以复利的形式扩大优劣后果 相对稳定环境中的生命群体进化 没有最好只有更好 基因类型
l群体中的个体差异造成选择的基础 l环境选择更加适应的基因组合:没有最好只有更好。 l微小的差异会在不同基因组不断传代中以复利的形式扩大优劣后果 群体的突变、选择与进化 相对稳定环境中的生命群体进化 个 没有最好只有更好 体数量 基因类型
群体的突变、选择与进化 个体数量 2.稳定严酷的环境选择 3.宽松的环境选择 5.新环境、新适应方式 4.新环境、新适应方式 1.起始辩体 基因类型
1. 起始群体 2. 稳定严酷的环境选择 3. 宽松的环境选择 群体的突变、选择与进化 4. 新环境、新适应方式 5. 新环境、新适应方式 个体数量 基因类型
讨论题:什么特征使得一些狼更容易驯化? Discussion:What make some wolves more likely to be domesticated than others? 相关科学研究进展: Human knowledge advances through scientific research Single-gene model Polygenic model Science DAAAS Science Domestication 29 August 2014: Perspective:Evolution On the origin of Peter Rabbit Kirk E.Lohmueller many genetic variants across the genome have been affected by natural selection throughout domestication.Further,these variants tend to be in regulatory regions located in genes related to brain development 2022-3-11 9
2022-3-11 1 9 讨论题:什么特征使得一些狼更容易驯化? Discussion: What make some wolves more likely to be domesticated than others? 相关科学研究进展: Human knowledge advances through scientific research Science 29 August 2014: Perspective: Evolution On the origin of Peter Rabbit Kirk E. Lohmueller many genetic variants across the genome have been affected by natural selection throughout domestication. Further, these variants tend to be in regulatory regions located in genes related to brain development
Fig.1 Experimental design and population data.(A)Images of the six rabbit breeds included in the study(sized to reflect differences in body weight)and of a wild rabbit. Dutch French lop A Wild Belgian hare rabbit Champagne d'argent Flemish giant New Zealand white B Time C Belgian hare Champagne d'argent Dutch 1,800.000 Flemish giant 18.,000 French lop New Zealand white FRW1 1400 FRW2 FRW3 IW1 200 IW2 IW3 IW4 IW5 w6 W7 Iw8 IW9 W10 W11 0.010.0080.0060.0040.002 0 Nucleotide diversity M Carneiro et al.Science 2014:345:1074-1079 Science DTAAAS Published by AAAS
Fig. 1 Experimental design and population data.(A) Images of the six rabbit breeds included in the study (sized to reflect differences in body weight) and of a wild rabbit. M Carneiro et al. Science 2014;345:1074-1079 Published by AAAS