The roles of mutation, inbreeding, crossbreeding and selection in evolution

The roles of mutation, inbreeding, crossbreeding and selection in evolution ~ The enormous importance of biparental reproduction as a factor in evolution was brought out a good many years ago by East. The observed properties of gene mutation—fortuitous in origin, infrequent in occurrence and deleterious when not negligible in effect—seem about ... Download The roles of mutation, inbreeding, crossbreeding and selection in evolution