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olga_2 [115]
3 years ago
9

Which best describes a tetrad?

Biology
1 answer:
tresset_1 [31]3 years ago
6 0
A tetrad is a foursome during meiosis made by two homologous chromosomes that have each already replicated into a pair of sister chromatids
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The ph of the water in several lakes in norway and sweden had decreased to below 5.0 due to an increase in acid rain. What is mo
arsen [322]

Answer:

What will most likely happen in these lakes is that there will be a decline of several fish populations. The correct answer is A.

Explanation:

The options attached to the question are given below:

A. The decline of several fish populations

B. An increase in the number of fish.

C. An increase in the number of primary producers.

D. Increased predator- prey relationship.

The fishes, just like any other living organisms has ideal body temperature and pH at which they act best. The ideal pH for fish living in lake water is between 6 and 8. If the pH is reduced below this value then the water will become acidic and this will be toxic for the fish population living in the lakes. Therefore, those fish that can not cope will die and there will be a decrease in the fish populations.

7 0
2 years ago
The coat that surrounds the genetic material of a virus is made of what material? (
Anettt [7]

Answer:

Protein

Explanation:

  • The protein-covered coat that surrounds the genetic material of a virus is called a capsid.
  • There are mainly three structural shapes of a capsid :
  1. Icosahedral
  2. Prolate
  3. Helical
  • The functions of capsid includes:
  1. Protection of viral genome i.e., either DNA or RNA from dissolution.
  2. Helps in penetration of virus in host cells.

For More Information:

brainly.com/question/17846775

5 0
2 years ago
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What is an example of selective breeding
Rudiy27
An example of selective breeding is breeding cattle to produce better meat.
3 0
3 years ago
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What are the group of individuals that interbreed and produce offspring
Aleksandr [31]

Answer:

Specie

Explanation:

They are a group that interbreed with each other, only, since they cannot produce fertile offspring with those of another species.

3 0
2 years ago
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Artificial selection has been used by humans to
spayn [35]

Answer:

Its been used by humans to take the best traits from a species and pass them on like bigger bodies in cows for more meat and bigger muscles in horses for faster racing potential.

7 0
2 years ago
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