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6 天
马达加斯加的“转基因工厂”:青蛙为什么有了蛇的基因?
从青蛙体内发现了蛇的基因,到底是怎么回事?其实并不奇怪,这就是基因的水平转移。近年来,研究人员发现了许多基因水平转移的现象,不仅在细菌这样的原核生物身上,也在真核生物,甚至是植物和昆虫之间,都有基因的跳跃。这或许就是生存的智慧。
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今日热点
Joe Biden pardons son
Bryar found dead at 44
Cancels show due to injury
Trump warns BRICS nations
Arrives in Hawaii
Home explosion in Missouri
Florida sheriff to lead DEA
Tapped as FBI director
Charged in fatal shooting
Hall of Fame coach dies
AK boat capsize: 5 missing
Protests in Georgia spread
3-yr extension w/ Jaguars?
Stellantis CEO resigns
Outage at Philly airport
Record defense spending OK'd
Big Ten fines Michigan, OSU
Arctic blast in US
To end cabin service earlier
Returns to Stanford as GM
Adani on US indictment
Hosts AIDS Memorial Quilt
'Days of Our Lives' star dies
US Ambassador to France pick
Record $10.8B spent online
Launches bid for DNC chair
Israeli strike in Gaza
‘Annie Hall' co-writer dies
Chiefs clinch playoff berth
FIFA hosting bid report
Arms sale to Taiwan OK'd
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