1990 Madan Bhattacharyya, Cathie Martin and their colleagues have cloned the
fragment of DNA that encodes SBEI from the pea that Mendel would have used,
SBEI was an inserted fragment, about 800 base pairs long and with repeated base
pairs at either end. According to the researchers, this fragment is very similar to
much bigger than in RR forms. And rr seeds produced only about one-tenth of the
amount of transcript that RR seeds did, weight for weight.
Finally, the team found that the extra genetic material in the sequence coding for
ppt课件.
3
Morgan对基因的预言 …… 虽然如此，我们仍然很难放弃这个可爱的 假设：就是基因之所以稳定，是由于它代表着 一个有机的化学实体。
这就是经典遗传学中的基因 就象我们在远处看到的森林。 它是以表型及其变化推导出来的。
ppt课件.
4
The molecular basis of round and wrinkled seed of the peas
Pisum sativum, and demonstrated that it lies at the r locus (Cell, vol 60, p 115).
