Then he stopped selling plants entirely and began to study the laws of heredity - the ways in which living things pass on their own characteristics to later generations 他完全停止出售树苗，而转向研究遗传规律- -即生物如何把自己的特性遗传给下一代。
2.
We propose that genetic materials in rootstock being translocated and integrated into the genome of the germ cells and embryonic cells in scion are the main reasons why the majority of the hybrid seedlings have wild properties and the heredity of fruit trees violate mendel ' s laws of heredity 砧木中的遗传物质转移并整合到接穗生殖细胞和胚胎细胞的染色体组中，是杂种后代出现大量野生植株和果树遗传不遵守孟德尔定律的主要原因。
