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stepladder [879]
2 years ago
7

4) Biotechnology has helped produce crops that are resistant to certain pests, crops that produce high yields, and more nitrogen

-efficient crops. What is a negative impact that bioengineered plants may have on the environment? A) Beneficial insects may be adversely affected. B) Plants have an increased resistance to insect pests. C) There is an increased need for inorganic fertilizers. D) Genetically engineered plants may have a longer shelf life.
Biology
1 answer:
Kryger [21]2 years ago
7 0

Answer: Option a

Explanation:

Biotechnology is the branch which deals with the most advanced techniques which is required to make the life easy.

One of the most important application is Genetically modified crops. Genetically modified crops are pest resistant and have many advantages.

There are few disadvantages one of them is beneficial insects are also adversely affected. There are many useful insects that helps in pollination and    they are also killed because of pest resistant plant.

hence the correct answer is option A

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What caWhat can be known about Mendel’s five-part hypothesis?n be known about Mendel’s five-part hypothesis?
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Answer:

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Explanation:

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3 years ago
A phenotypic ratio for a dihybrid cross is predicted to be 9:3:3:1. The experimental values are:
Maslowich
Two traits that we are examining are the color (purple/white) and the smoothness. 
In our sample, we have 135 individuals ( 75 +28+24+8= 135).

Since we know that expected ratio of a dihybrid cross, is <span>9:3:3:1 we can calculate what is the expected values of each phenotype is.

So, for the white wrinkled phenotype, we expect that there will be one-sixteenth of the whole sample ( there are 16 parts of the whole sample 9+3+3+1=16).
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When you have your expected and experimental values you compare them with a chi-square test. (The test determines if the difference between the expected and experimental results is statistically significant).


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