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drek231 [11]
3 years ago
12

How do you know the speed of an electromagnetic wave of a vaccum

Biology
1 answer:
gladu [14]3 years ago
3 0
<span>It travels at the speed of light, in a vacuum. Through any other medium it travels slower than the speed of light, depending on the medium.</span>
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According to scientific thought, when does one species of organisms become two species?
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5 0
3 years ago
The allele for a hitchhiker's thumb is recessive compared to straight thumbs, which are dominant. . in a population of 1000 indi
Paul [167]
<span>Answer:
TT=90
Tt=420
tt= 490


When there is 2 type of allele, there will be 3 possible genotypes: homozygous dominant, heterozygous, homozygous recessive. Dominant phenotype will be expressed for </span>homozygous dominant and heterozygous. That mean, the number of homozygous would be:

TT+Tt= 510
total population= TT + Tt + tt
1000= 510 + tt
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The frequency of recessive allele would be:
t= √(490/1000)= √0.49= 0.7

After that, you can find the frequency of the dominant allele
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