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kherson [118]
3 years ago
11

What might happen to a species if it has to compete for natural resources

Biology
1 answer:
MrMuchimi3 years ago
5 0
They might go extinct if they can't keep up with the competition
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Imagine you do a test cross between a purple-flowered pea plant having serrated leaves (a dominant trait) and a white-flowered p
Rom4ik [11]

Answer:

genes for flower color and edge shape are linked. They do not assort independently.

Explanation:

<u>Available data:</u>

  • test cross between a purple-flowered pea plant having serrated leaves and a white-flowered pea plant having smooth edges.
  • serrated leaves → dominant trait
  • smooth edges → recessive trait
  • purple color → dominant trait
  • white color → recessive trait
  • F1: 4 purple-serrated:1 purple-smooth:1 white-serrated:4 white-smooth.

There are two genes involved in the cross. The expected ratios are 1:1:1:1 because we assume genes assort independently. However, we see a different phenotypic distribution. When phenotypic ratios differ from the expected ones, it means that genes are linked.

To know if two genes are linked in the same chromosome, we must observe the progeny distribution. If individuals, whose genes assort independently, are test crossed, they produce a progeny with equal phenotypic frequencies 1:1:1:1. But if instead of this distribution, we observe a different one, that is that phenotypes appear in different proportions, we can assume that genes are linked in the double heterozygote parent

 

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3 years ago
Help pls thanks omg !!!
poizon [28]

Answer:

3rd

Explanation:

3 0
2 years ago
Put the levels of organization in order from largest to smallest
Elenna [48]
Need the levels of organization in the question to sort them!!
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The photo shows many similar cells that work together. Which level of organization in living things does this photo represent? O
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Answer: I think the answer is Tissue

Explanation:

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Hope this helps <3

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2 years ago
Difference between pleomorphic and dedifferentiated
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