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Soloha48 [4]
3 years ago
5

scientists estimate that only 1 percent of prokaryotes can be grown in the lab. what does this suggest about our knowledge of ba

cteria and archaea
Biology
2 answers:
mash [69]3 years ago
7 0

According to sources, the most probable answer to this query is that prokaryotes are much slower and larger than archaea or bacterial cells. This goes to suggest that development and reproduction among them is rapid however no complex parts.Thank you for your question. Please don't hesitate to ask in Brainly your queries. 
ruslelena [56]3 years ago
7 0

Prokaryotes are large in number and diversity. Some of the prokaryotes like E.coli can be grown in the lab in an innoculum or in an agarose plate. But the rest of the prokaryotes require exact conditions of their environment to be met in the lab for their growth, which is hard and nearly impossible to create. Thus, it makes the study of prokaryotes hard. Archae are mostly the extremophiles that live in extreme environments like salt marsh, hot and cold places. This suggests that the study of prakaryotes and archae is hard and the current knowledge of their diversity is incomplete.



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In a certain plant, tall stems (t) are dominant to short stems (t). a farmer crosses a short-stemmed plant with a heterozygous l
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The answers would be:

Genotype                Phenotype

     Tt                      Tall stemmed

     tt                       Short stemmed

Genotypic ratio : 2:2 or 1:1

Phenotypic ratio: 2:2  or 1:1  

<u />

<u>You can read on to see how this was done:</u>

Tall stems (T) are dominant to short stems (t).

First figure out the genotypes of the parents. We have a short-stemmed plant and a heterozygous long-stemmed plant cross.

For short stem to occur, you need 2 pairs of short alleles. So the first parent would have a genotype of tt.

Heterozygous long-stemmed means that the parent has one of each allele. So the genotype of the second parent would be, Tt.

Now we can make our Punnett Square.

tt x Tt

<u>       t        t  </u>

<u>T |  Tt  |   Tt</u>

<u>t  |   tt  |   tt</u>

Let's list down the genotypes and phenotypic results.

Genotype        no.         Phenotype

     Tt                 2           Tall stemmed

     tt                  2           Short stemmed

So from that we can answer the other questions:

Genotypic ratio : 2:2 or 1:1

Phenotypic ratio: 2:2  or 1:1  

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