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Serggg [28]
4 years ago
15

Which best describes the ecosystems on Earth? A. Earth has mostly rainforest ecosystems. B. Separate ecosystems can affect each

other. C. Ecosystems do not interact with each other. D. There are very few types of ecosystems on Earth.
Biology
2 answers:
Vinil7 [7]4 years ago
8 0

Answer:

Separate ecosystems can affect each other.

otez555 [7]4 years ago
4 0

Answer: B. Separate ecosystems can affect each other

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In beetles, the gene for color and the gene for pattern are located on the same chromosome and exhibit recombination. The lined
Pie

Explanation:

The genes that determine color and pattern are linked.

  • Solid pattern allele (L) is dominant over lined pattern (l)
  • Blue color allele (B) is dominant over aqua color (b)

<h3><u>Initial cross</u></h3>

Homozygous lined aqua beetle has the genotype <em>lb/lb</em>

It can produce only 1 type of gamete: <em>lb</em>

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Homozygous solid blue beetle has the genotype<em> </em><em>LB/LB</em>

It can produce only 1 type of gamete:<em> </em><em>LB</em>

The F1 is formed by the union of the parents' gametes, so it will have the genotype  <em>lb/LB</em>

<h3><u>F1 test cross</u></h3>

Test crosses involve a homozygous recessive individual.

<u>The homozygous recessive individual</u><u><em> lb/lb</em></u><u> can only produce 1 type of gamete:</u>

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<u>The F1 individual </u><em><u>lb/LB</u></em><u>  can produce 4 types of gametes:</u>

  • lb - parental
  • LB - parental
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8 0
4 years ago
Negatively charged particles are found where in an atom?
Alexus [3.1K]
They're found orbiting around outside the nucleus, because they're electrons 

I hoped this helped! :)
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Ricin is a chemical that has the effect of blocking eukaryotic ribosomes from performing translation. Why is this a dangerous ch
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