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devlian [24]
3 years ago
6

Question 20 of 20 :

Biology
1 answer:
NemiM [27]3 years ago
8 0

Answer:

C!!

Explanation:

It's not B because it's located in the great plains. Not D because in 50 years, 70% of the aquifer will be gone. Not A because water use isn't regulated.

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In a plant called jimsonweed, flowers can be white or purple. A jimsonweed plant with white flowers is crossed with a jimsonweed
STALIN [3.7K]

<u>Answer:</u>

Although statements are not given in the question, we could make the most possible deduction as follows:

The allele for purple flowers is dominant whereas allele for white flowers is recessive.

<u>Explanation:</u>

According to the question,

  1. Purple flower plant was crossed with white flower plant.
  2. All offsprings have purple flowers.

Here we have one possibility that both parents were homozygous but in their own traits. <u>Purple flower</u> plants were "PP" and white <u>flower plants</u> were "pp" So, the <u>first progeny</u> (direct offsprings) would have "Pp". So, as per considerations, purple is dominant allele which will mask the recessive allele thus defining the color of all offsprings as purple. However, further cross of their generation will definitely end up into purple and white flowers (3:1) but this condition is not mentioned in the statement.

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3 years ago
After reading the article, are you convinced of an answer to the main question of the article: “Could our distance from nature a
Lena [83]

Yes, our distance from nature and our chronic immunological discontent could be related. Nature may be the cause of allergic problems.

<h3>What is an allergy?</h3>

Allergy is a common immune response produced by certain substances that alter the stability of the immune system.

Allergy may be caused by different materials present in nature that alter our immune system.

For example, pollen grains may cause allergic responses such as inflammation and thus produce chronic immunological problems.

Learn more about allergies here:

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3 0
2 years ago
Please help me I will give you a thanks.
horrorfan [7]
Their gravitational pull towards the planet?
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3 years ago
In your own words, describe what information the visible DNA fingerprint provides for each DNA sample
Sidana [21]

Answer:

The visible DNA fingerprint can help extract DNA which, after analysis, can accurately identify the suspect or perpetrator of the crime.

Explanation:

DNA Fingerprinting:

  • DNA fingerprinting is a molecular analysis tool that can help identify a suspect in a crime through DNA extracted from fingerprints.
  • Specific patterns in the DNA, known as polymorphisms, can be identified through DNA fingerprinting.
  • The DNA fingerprinting process involves:
  1. Extraction and purification of the DNA from the fingerprint.
  2. PCR amplification to obtain high yield.
  3. Fragmentation of the DNA by use of restriction enzymes.
  4. Gel electrophoresis analysis of the fragmented DNA.
  5. Analysis of gel to compare the size of the bands.
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3 years ago
Summarize how a freshwater ecosystem, such as a pond, can change into a terrestrial ecosystem.​
juin [17]

Answer:

how a freshwater ecosystem, such as a pond, can change into a terrestrial ecosystem.​how a freshwater ecosystem, such as a pond, can change into a terrestrial ecosystem.​how a freshwater ecosystem, such as a pond, can change into a terrestrial ecosystem.​how a freshwater ecosystem, such as a pond, can change into a terrestrial ecosystem.​

Explanation:

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