7-O gene que condiciona pêlos curtos em cobaias é dominante em relação ao gene que determina pêlos longos. Do cruzamento entre cobaias heterøzigøtas nasceram 880 cobaias, das quais 720 tinham pêlos curtos. pergunta-se:1) qual o número esperado de heterozigotos entre as cobaias de pêlos curtos?
2) quantas eram de pêlos longos?
3) E de total, quantas eram hømøzigøtas?
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electron microscopy and scanning tunneling microscopes gives us a greater understanding of atoms by being able to see the atom itself, and lets us see some atomic reactions.

explanation:

the correct answer is:

a. formation of precipitation

it can be observed without changing the identity of the object.

it depends on what substance you're talking about as well as many other factors. in quantum mechanics, the observation of particles affects the observers ability to measure certain properties. for example: you can know the velocity of a particle, but you can't know it's position; or you can know it's position, but not it's velocity. it's like trying to find out where a grain of sand is by throwing other grains of sand at it. once you find out where it is, it's been moved. it's also like trying to find an answer to the question of whether or not a tree falling in a forest makes a sound if nobody is there to hear it. paradoxically, the only way to find out is to be there and hear it.