Hoàn thành các phép lai sau (chỉ xét trường hợp trội hoàn toàn): Phép lai Số kg F1 Số kh F1 Tỉ lệ kg F1 Tỉ lệ kh F1
P: AA x AA

G: A ↓ A

F1: AA

1 1 100%AA 100% trội.
P: AA x Aa

G:

F1:

P: AA x aa

G:

F1:

P: Aa x Aa

G: 1/2A ; 1/2a ↓ 1/2A ; 1/2a

F1: 1/4AA : 2/4Aa : 1/4aa

3 2 1AA : 2Aa : 1aa 3 trội : 1 lặn
P: Aa x aa

G:

F1:

P: aa x aa

G:

F1:

Cultures of the lake of the ozarks water samples were grown on enrichment media for identification. however, these organisms are present to some degree in all samples. an important question from a clinical perspective is whether or not there is a significant increase in the fecal coliform populations that would put people's health at risk. if you were part of the team investigating this outbreak, how would you best enumerate the fecal coliform threat? view available hint(s) cultures of the lake of the ozarks water samples were grown on enrichment media for identification. however, these organisms are present to some degree in all samples. an important question from a clinical perspective is whether or not there is a significant increase in the fecal coliform populations that would put people's health at risk. if you were part of the team investigating this outbreak, how would you best enumerate the fecal coliform threat? direct microscopic counts filtration count culture serial dilution count culture plate count culture

Which is the correct first step in finding the area of the base of a cylinder with a volume of 26x cubic meters and a height of 6.5 meters? v=bh 6.5=b(26x) v=bh v=26pi+(6.5) v=bh v=26pi(6.5) v=bh 26pi=b(6.5)

What did not occur in the proterozoic eon a)the oxygen levels increase greatly in the atmosphere, b)the emergence of the eukarya , c)muti cella’s eukaryotic organisms began to diversify, d)anaerobic bacteria kept thriving with more oxygen